Finding the Fourth Proportional to 118,414.61, 163,411.91 and 64,700.01

Step by Step Solution

1. Step 1: Write the proportion equation
   118,414.61 : 163,411.91 = 64,700.01 : x
2. Step 2: Convert to fraction form
   118,414.61/163,411.91 = 64,700.01/x
3. Step 3: Cross multiply
   118,414.61x = 163,411.91 × 64,700.01
4. Step 4: Simplify right side
   118,414.61x = 10,572,752,130.24
5. Step 5: Solve for x
   x = 10,572,752,130.24/118,414.61
6. Step 6: Final answer
   x = 89,285.88