Finding the Fourth Proportional to 81,499.85, 122,267.05 and 25,338.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,499.85 : 122,267.05 = 25,338.59 : x
2. Step 2: Convert to fraction form
   81,499.85/122,267.05 = 25,338.59/x
3. Step 3: Cross multiply
   81,499.85x = 122,267.05 × 25,338.59
4. Step 4: Simplify right side
   81,499.85x = 3,098,074,650.46
5. Step 5: Solve for x
   x = 3,098,074,650.46/81,499.85
6. Step 6: Final answer
   x = 38,013.26