Finding the Fourth Proportional to 90,090.72, 135,150.66 and 37,502.28

Step by Step Solution

1. Step 1: Write the proportion equation
   90,090.72 : 135,150.66 = 37,502.28 : x
2. Step 2: Convert to fraction form
   90,090.72/135,150.66 = 37,502.28/x
3. Step 3: Cross multiply
   90,090.72x = 135,150.66 × 37,502.28
4. Step 4: Simplify right side
   90,090.72x = 5,068,457,893.50
5. Step 5: Solve for x
   x = 5,068,457,893.50/90,090.72
6. Step 6: Final answer
   x = 56,259.49