Finding the Fourth Proportional to 117,672.98, 162,388.89 and 63,957.87

Step by Step Solution

1. Step 1: Write the proportion equation
   117,672.98 : 162,388.89 = 63,957.87 : x
2. Step 2: Convert to fraction form
   117,672.98/162,388.89 = 63,957.87/x
3. Step 3: Cross multiply
   117,672.98x = 162,388.89 × 63,957.87
4. Step 4: Simplify right side
   117,672.98x = 10,386,047,516.06
5. Step 5: Solve for x
   x = 10,386,047,516.06/117,672.98
6. Step 6: Final answer
   x = 88,261.96