Finding the Fourth Proportional to 117,932.56, 162,746.82 and 64,217.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,932.56 : 162,746.82 = 64,217.96 : x
2. Step 2: Convert to fraction form
   117,932.56/162,746.82 = 64,217.96/x
3. Step 3: Cross multiply
   117,932.56x = 162,746.82 × 64,217.96
4. Step 4: Simplify right side
   117,932.56x = 10,451,268,776.89
5. Step 5: Solve for x
   x = 10,451,268,776.89/117,932.56
6. Step 6: Final answer
   x = 88,620.72