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Finding the Fourth Proportional to 105,056.66, 144,977.99 and 57,309.99

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Solution

The fourth proportional to 105,056.66, 144,977.99 and 57,309.99 is: 79,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,056.66 : 144,977.99 = 57,309.99 : x
  2. Step 2: Convert to fraction form
    105,056.66/144,977.99 = 57,309.99/x
  3. Step 3: Cross multiply
    105,056.66x = 144,977.99 × 57,309.99
  4. Step 4: Simplify right side
    105,056.66x = 8,308,686,870.57
  5. Step 5: Solve for x
    x = 8,308,686,870.57/105,056.66
  6. Step 6: Final answer
    x = 79,087.68

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