Finding the Fourth Proportional to 90,569.52, 135,810.56 and 37,964.88

Step by Step Solution

1. Step 1: Write the proportion equation
   90,569.52 : 135,810.56 = 37,964.88 : x
2. Step 2: Convert to fraction form
   90,569.52/135,810.56 = 37,964.88/x
3. Step 3: Cross multiply
   90,569.52x = 135,810.56 × 37,964.88
4. Step 4: Simplify right side
   90,569.52x = 5,156,031,613.13
5. Step 5: Solve for x
   x = 5,156,031,613.13/90,569.52
6. Step 6: Final answer
   x = 56,928.99