Finding the Fourth Proportional to 90,329.04, 135,468.72 and 37,729.80

Step by Step Solution

1. Step 1: Write the proportion equation
   90,329.04 : 135,468.72 = 37,729.80 : x
2. Step 2: Convert to fraction form
   90,329.04/135,468.72 = 37,729.80/x
3. Step 3: Cross multiply
   90,329.04x = 135,468.72 × 37,729.80
4. Step 4: Simplify right side
   90,329.04x = 5,111,207,711.86
5. Step 5: Solve for x
   x = 5,111,207,711.86/90,329.04
6. Step 6: Final answer
   x = 56,584.32