Finding the Fourth Proportional to 131,067.86, 180,499.32 and 118,036.17

Step by Step Solution

1. Step 1: Write the proportion equation
   131,067.86 : 180,499.32 = 118,036.17 : x
2. Step 2: Convert to fraction form
   131,067.86/180,499.32 = 118,036.17/x
3. Step 3: Cross multiply
   131,067.86x = 180,499.32 × 118,036.17
4. Step 4: Simplify right side
   131,067.86x = 21,305,448,420.40
5. Step 5: Solve for x
   x = 21,305,448,420.40/131,067.86
6. Step 6: Final answer
   x = 162,552.81