Finding the Fourth Proportional to 117,495.88, 162,144.43 and 63,780.86

Step by Step Solution

1. Step 1: Write the proportion equation
   117,495.88 : 162,144.43 = 63,780.86 : x
2. Step 2: Convert to fraction form
   117,495.88/162,144.43 = 63,780.86/x
3. Step 3: Cross multiply
   117,495.88x = 162,144.43 × 63,780.86
4. Step 4: Simplify right side
   117,495.88x = 10,341,711,435.52
5. Step 5: Solve for x
   x = 10,341,711,435.52/117,495.88
6. Step 6: Final answer
   x = 88,017.65