Finding the Fourth Proportional to 117,466.72, 162,105.30 and 63,752.20

Step by Step Solution

1. Step 1: Write the proportion equation
   117,466.72 : 162,105.30 = 63,752.20 : x
2. Step 2: Convert to fraction form
   117,466.72/162,105.30 = 63,752.20/x
3. Step 3: Cross multiply
   117,466.72x = 162,105.30 × 63,752.20
4. Step 4: Simplify right side
   117,466.72x = 10,334,569,506.66
5. Step 5: Solve for x
   x = 10,334,569,506.66/117,466.72
6. Step 6: Final answer
   x = 87,978.70