Finding the Fourth Proportional to 81,796.98, 122,695.32 and 25,641.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,796.98 : 122,695.32 = 25,641.42 : x
2. Step 2: Convert to fraction form
   81,796.98/122,695.32 = 25,641.42/x
3. Step 3: Cross multiply
   81,796.98x = 122,695.32 × 25,641.42
4. Step 4: Simplify right side
   81,796.98x = 3,146,082,232.15
5. Step 5: Solve for x
   x = 3,146,082,232.15/81,796.98
6. Step 6: Final answer
   x = 38,462.08