Finding the Fourth Proportional to 117,508.78, 162,162.12 and 63,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,508.78 : 162,162.12 = 63,793.72 : x
2. Step 2: Convert to fraction form
   117,508.78/162,162.12 = 63,793.72/x
3. Step 3: Cross multiply
   117,508.78x = 162,162.12 × 63,793.72
4. Step 4: Simplify right side
   117,508.78x = 10,344,924,877.89
5. Step 5: Solve for x
   x = 10,344,924,877.89/117,508.78
6. Step 6: Final answer
   x = 88,035.34