Finding the Fourth Proportional to 90,301.80, 135,404.10 and 37,651.80

Step by Step Solution

1. Step 1: Write the proportion equation
   90,301.80 : 135,404.10 = 37,651.80 : x
2. Step 2: Convert to fraction form
   90,301.80/135,404.10 = 37,651.80/x
3. Step 3: Cross multiply
   90,301.80x = 135,404.10 × 37,651.80
4. Step 4: Simplify right side
   90,301.80x = 5,098,208,092.38
5. Step 5: Solve for x
   x = 5,098,208,092.38/90,301.80
6. Step 6: Final answer
   x = 56,457.44