Finding the Fourth Proportional to 81,796.62, 113,080.62 and 81,048.18

Step by Step Solution

1. Step 1: Write the proportion equation
   81,796.62 : 113,080.62 = 81,048.18 : x
2. Step 2: Convert to fraction form
   81,796.62/113,080.62 = 81,048.18/x
3. Step 3: Cross multiply
   81,796.62x = 113,080.62 × 81,048.18
4. Step 4: Simplify right side
   81,796.62x = 9,164,978,444.27
5. Step 5: Solve for x
   x = 9,164,978,444.27/81,796.62
6. Step 6: Final answer
   x = 112,045.93