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Finding the Fourth Proportional to 76,618.58, 105,736.66 and 46,386.81

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Solution

The fourth proportional to 76,618.58, 105,736.66 and 46,386.81 is: 64,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,618.58 : 105,736.66 = 46,386.81 : x
  2. Step 2: Convert to fraction form
    76,618.58/105,736.66 = 46,386.81/x
  3. Step 3: Cross multiply
    76,618.58x = 105,736.66 × 46,386.81
  4. Step 4: Simplify right side
    76,618.58x = 4,904,786,241.49
  5. Step 5: Solve for x
    x = 4,904,786,241.49/76,618.58
  6. Step 6: Final answer
    x = 64,015.63

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