Finding the Fourth Proportional to 131,513.39, 181,487.27 and 80,614.61

Step by Step Solution

1. Step 1: Write the proportion equation
   131,513.39 : 181,487.27 = 80,614.61 : x
2. Step 2: Convert to fraction form
   131,513.39/181,487.27 = 80,614.61/x
3. Step 3: Cross multiply
   131,513.39x = 181,487.27 × 80,614.61
4. Step 4: Simplify right side
   131,513.39x = 14,630,524,180.51
5. Step 5: Solve for x
   x = 14,630,524,180.51/131,513.39
6. Step 6: Final answer
   x = 111,247.42