Finding the Fourth Proportional to 117,502.86, 162,149.48 and 63,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,502.86 : 162,149.48 = 63,786.72 : x
2. Step 2: Convert to fraction form
   117,502.86/162,149.48 = 63,786.72/x
3. Step 3: Cross multiply
   117,502.86x = 162,149.48 × 63,786.72
4. Step 4: Simplify right side
   117,502.86x = 10,342,983,478.91
5. Step 5: Solve for x
   x = 10,342,983,478.91/117,502.86
6. Step 6: Final answer
   x = 88,023.25