Finding the Fourth Proportional to 90,093.72, 135,155.16 and 37,505.28

Step by Step Solution

1. Step 1: Write the proportion equation
   90,093.72 : 135,155.16 = 37,505.28 : x
2. Step 2: Convert to fraction form
   90,093.72/135,155.16 = 37,505.28/x
3. Step 3: Cross multiply
   90,093.72x = 135,155.16 × 37,505.28
4. Step 4: Simplify right side
   90,093.72x = 5,069,032,119.24
5. Step 5: Solve for x
   x = 5,069,032,119.24/90,093.72
6. Step 6: Final answer
   x = 56,263.99