Finding the Fourth Proportional to 90,571.52, 135,813.56 and 37,966.88

Step by Step Solution

1. Step 1: Write the proportion equation
   90,571.52 : 135,813.56 = 37,966.88 : x
2. Step 2: Convert to fraction form
   90,571.52/135,813.56 = 37,966.88/x
3. Step 3: Cross multiply
   90,571.52x = 135,813.56 × 37,966.88
4. Step 4: Simplify right side
   90,571.52x = 5,156,417,134.89
5. Step 5: Solve for x
   x = 5,156,417,134.89/90,571.52
6. Step 6: Final answer
   x = 56,931.99