Finding the Fourth Proportional to 81,151.44, 112,479.82 and 76,479.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,151.44 : 112,479.82 = 76,479.42 : x
2. Step 2: Convert to fraction form
   81,151.44/112,479.82 = 76,479.42/x
3. Step 3: Cross multiply
   81,151.44x = 112,479.82 × 76,479.42
4. Step 4: Simplify right side
   81,151.44x = 8,602,391,395.30
5. Step 5: Solve for x
   x = 8,602,391,395.30/81,151.44
6. Step 6: Final answer
   x = 106,004.17