Finding the Fourth Proportional to 118,025.18, 162,874.71 and 64,310.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,025.18 : 162,874.71 = 64,310.15 : x
2. Step 2: Convert to fraction form
   118,025.18/162,874.71 = 64,310.15/x
3. Step 3: Cross multiply
   118,025.18x = 162,874.71 × 64,310.15
4. Step 4: Simplify right side
   118,025.18x = 10,474,496,216.93
5. Step 5: Solve for x
   x = 10,474,496,216.93/118,025.18
6. Step 6: Final answer
   x = 88,747.98