Finding the Fourth Proportional to 131,751.32, 181,815.59 and 71,320.41

Step by Step Solution

1. Step 1: Write the proportion equation
   131,751.32 : 181,815.59 = 71,320.41 : x
2. Step 2: Convert to fraction form
   131,751.32/181,815.59 = 71,320.41/x
3. Step 3: Cross multiply
   131,751.32x = 181,815.59 × 71,320.41
4. Step 4: Simplify right side
   131,751.32x = 12,967,162,423.19
5. Step 5: Solve for x
   x = 12,967,162,423.19/131,751.32
6. Step 6: Final answer
   x = 98,421.50