Finding the Fourth Proportional to 90,577.48, 135,814.38 and 37,942.60

Step by Step Solution

1. Step 1: Write the proportion equation
   90,577.48 : 135,814.38 = 37,942.60 : x
2. Step 2: Convert to fraction form
   90,577.48/135,814.38 = 37,942.60/x
3. Step 3: Cross multiply
   90,577.48x = 135,814.38 × 37,942.60
4. Step 4: Simplify right side
   90,577.48x = 5,153,150,694.59
5. Step 5: Solve for x
   x = 5,153,150,694.59/90,577.48
6. Step 6: Final answer
   x = 56,892.18