Finding the Fourth Proportional to 117,665.31, 162,379.19 and 63,950.45

Step by Step Solution

1. Step 1: Write the proportion equation
   117,665.31 : 162,379.19 = 63,950.45 : x
2. Step 2: Convert to fraction form
   117,665.31/162,379.19 = 63,950.45/x
3. Step 3: Cross multiply
   117,665.31x = 162,379.19 × 63,950.45
4. Step 4: Simplify right side
   117,665.31x = 10,384,222,836.96
5. Step 5: Solve for x
   x = 10,384,222,836.96/117,665.31
6. Step 6: Final answer
   x = 88,252.20