Finding the Fourth Proportional to 117,488.20, 162,134.98 and 63,773.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,488.20 : 162,134.98 = 63,773.72 : x
2. Step 2: Convert to fraction form
   117,488.20/162,134.98 = 63,773.72/x
3. Step 3: Cross multiply
   117,488.20x = 162,134.98 × 63,773.72
4. Step 4: Simplify right side
   117,488.20x = 10,339,950,816.73
5. Step 5: Solve for x
   x = 10,339,950,816.73/117,488.20
6. Step 6: Final answer
   x = 88,008.42