Finding the Fourth Proportional to 62,985.28, 86,904.60 and 35,755.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,985.28 : 86,904.60 = 35,755.31 : x
2. Step 2: Convert to fraction form
   62,985.28/86,904.60 = 35,755.31/x
3. Step 3: Cross multiply
   62,985.28x = 86,904.60 × 35,755.31
4. Step 4: Simplify right side
   62,985.28x = 3,107,300,913.43
5. Step 5: Solve for x
   x = 3,107,300,913.43/62,985.28
6. Step 6: Final answer
   x = 49,333.76