Finding the Fourth Proportional to 81,345.98, 122,012.82 and 25,186.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,345.98 : 122,012.82 = 25,186.56 : x
2. Step 2: Convert to fraction form
   81,345.98/122,012.82 = 25,186.56/x
3. Step 3: Cross multiply
   81,345.98x = 122,012.82 × 25,186.56
4. Step 4: Simplify right side
   81,345.98x = 3,073,082,754.15
5. Step 5: Solve for x
   x = 3,073,082,754.15/81,345.98
6. Step 6: Final answer
   x = 37,777.93