Finding the Fourth Proportional to 72,818.01, 109,227.42 and 25,432.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,818.01 : 109,227.42 = 25,432.86 : x
2. Step 2: Convert to fraction form
   72,818.01/109,227.42 = 25,432.86/x
3. Step 3: Cross multiply
   72,818.01x = 109,227.42 × 25,432.86
4. Step 4: Simplify right side
   72,818.01x = 2,777,965,681.02
5. Step 5: Solve for x
   x = 2,777,965,681.02/72,818.01
6. Step 6: Final answer
   x = 38,149.43