Finding the Fourth Proportional to 72,644.52, 109,025.64 and 37,594.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,644.52 : 109,025.64 = 37,594.20 : x
2. Step 2: Convert to fraction form
   72,644.52/109,025.64 = 37,594.20/x
3. Step 3: Cross multiply
   72,644.52x = 109,025.64 × 37,594.20
4. Step 4: Simplify right side
   72,644.52x = 4,098,731,715.29
5. Step 5: Solve for x
   x = 4,098,731,715.29/72,644.52
6. Step 6: Final answer
   x = 56,421.76