Finding the Fourth Proportional to 118,016.92, 162,865.20 and 64,301.91

Step by Step Solution

1. Step 1: Write the proportion equation
   118,016.92 : 162,865.20 = 64,301.91 : x
2. Step 2: Convert to fraction form
   118,016.92/162,865.20 = 64,301.91/x
3. Step 3: Cross multiply
   118,016.92x = 162,865.20 × 64,301.91
4. Step 4: Simplify right side
   118,016.92x = 10,472,543,432.53
5. Step 5: Solve for x
   x = 10,472,543,432.53/118,016.92
6. Step 6: Final answer
   x = 88,737.64