Finding the Fourth Proportional to 118,047.10, 162,906.78 and 64,331.95

Step by Step Solution

1. Step 1: Write the proportion equation
   118,047.10 : 162,906.78 = 64,331.95 : x
2. Step 2: Convert to fraction form
   118,047.10/162,906.78 = 64,331.95/x
3. Step 3: Cross multiply
   118,047.10x = 162,906.78 × 64,331.95
4. Step 4: Simplify right side
   118,047.10x = 10,480,110,825.62
5. Step 5: Solve for x
   x = 10,480,110,825.62/118,047.10
6. Step 6: Final answer
   x = 88,779.06