Finding the Fourth Proportional to 90,577.98, 135,815.13 and 37,943.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,577.98 : 135,815.13 = 37,943.10 : x
2. Step 2: Convert to fraction form
   90,577.98/135,815.13 = 37,943.10/x
3. Step 3: Cross multiply
   90,577.98x = 135,815.13 × 37,943.10
4. Step 4: Simplify right side
   90,577.98x = 5,153,247,059.10
5. Step 5: Solve for x
   x = 5,153,247,059.10/90,577.98
6. Step 6: Final answer
   x = 56,892.93