Finding the Fourth Proportional to 117,838.18, 162,614.04 and 64,123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   117,838.18 : 162,614.04 = 64,123.34 : x
2. Step 2: Convert to fraction form
   117,838.18/162,614.04 = 64,123.34/x
3. Step 3: Cross multiply
   117,838.18x = 162,614.04 × 64,123.34
4. Step 4: Simplify right side
   117,838.18x = 10,427,355,375.69
5. Step 5: Solve for x
   x = 10,427,355,375.69/117,838.18
6. Step 6: Final answer
   x = 88,488.77