Finding the Fourth Proportional to 131,769.83, 181,842.42 and 71,340.48

Step by Step Solution

1. Step 1: Write the proportion equation
   131,769.83 : 181,842.42 = 71,340.48 : x
2. Step 2: Convert to fraction form
   131,769.83/181,842.42 = 71,340.48/x
3. Step 3: Cross multiply
   131,769.83x = 181,842.42 × 71,340.48
4. Step 4: Simplify right side
   131,769.83x = 12,972,725,527.16
5. Step 5: Solve for x
   x = 12,972,725,527.16/131,769.83
6. Step 6: Final answer
   x = 98,449.90