Finding the Fourth Proportional to 131,910.31, 182,036.38 and 71,480.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,910.31 : 182,036.38 = 71,480.42 : x
2. Step 2: Convert to fraction form
   131,910.31/182,036.38 = 71,480.42/x
3. Step 3: Cross multiply
   131,910.31x = 182,036.38 × 71,480.42
4. Step 4: Simplify right side
   131,910.31x = 13,012,037,352.77
5. Step 5: Solve for x
   x = 13,012,037,352.77/131,910.31
6. Step 6: Final answer
   x = 98,643.07