Finding the Fourth Proportional to 92,271.20, 138,406.89 and 25,711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   92,271.20 : 138,406.89 = 25,711.52 : x
2. Step 2: Convert to fraction form
   92,271.20/138,406.89 = 25,711.52/x
3. Step 3: Cross multiply
   92,271.20x = 138,406.89 × 25,711.52
4. Step 4: Simplify right side
   92,271.20x = 3,558,651,520.37
5. Step 5: Solve for x
   x = 3,558,651,520.37/92,271.20
6. Step 6: Final answer
   x = 38,567.31