Finding the Fourth Proportional to 131,558.00, 181,550.03 and 71,128.62

Step by Step Solution

1. Step 1: Write the proportion equation
   131,558.00 : 181,550.03 = 71,128.62 : x
2. Step 2: Convert to fraction form
   131,558.00/181,550.03 = 71,128.62/x
3. Step 3: Cross multiply
   131,558.00x = 181,550.03 × 71,128.62
4. Step 4: Simplify right side
   131,558.00x = 12,913,402,739.22
5. Step 5: Solve for x
   x = 12,913,402,739.22/131,558.00
6. Step 6: Final answer
   x = 98,157.49