Finding the Fourth Proportional to 117,442.32, 162,069.12 and 63,728.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,442.32 : 162,069.12 = 63,728.52 : x
2. Step 2: Convert to fraction form
   117,442.32/162,069.12 = 63,728.52/x
3. Step 3: Cross multiply
   117,442.32x = 162,069.12 × 63,728.52
4. Step 4: Simplify right side
   117,442.32x = 10,328,425,155.30
5. Step 5: Solve for x
   x = 10,328,425,155.30/117,442.32
6. Step 6: Final answer
   x = 87,944.66