Finding the Fourth Proportional to 62,629.16, 86,377.83 and 55,059.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,629.16 : 86,377.83 = 55,059.30 : x
2. Step 2: Convert to fraction form
   62,629.16/86,377.83 = 55,059.30/x
3. Step 3: Cross multiply
   62,629.16x = 86,377.83 × 55,059.30
4. Step 4: Simplify right side
   62,629.16x = 4,755,902,855.32
5. Step 5: Solve for x
   x = 4,755,902,855.32/62,629.16
6. Step 6: Final answer
   x = 75,937.52