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Finding the Fourth Proportional to 12,303.77, 16,978.49 and 7,266.84

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Solution

The fourth proportional to 12,303.77, 16,978.49 and 7,266.84 is: 10,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.77 : 16,978.49 = 7,266.84 : x
  2. Step 2: Convert to fraction form
    12,303.77/16,978.49 = 7,266.84/x
  3. Step 3: Cross multiply
    12,303.77x = 16,978.49 × 7,266.84
  4. Step 4: Simplify right side
    12,303.77x = 123,379,924.83
  5. Step 5: Solve for x
    x = 123,379,924.83/12,303.77
  6. Step 6: Final answer
    x = 10,027.81

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