Finding the Fourth Proportional to 118,191.92, 163,104.78 and 64,476.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,191.92 : 163,104.78 = 64,476.82 : x
2. Step 2: Convert to fraction form
   118,191.92/163,104.78 = 64,476.82/x
3. Step 3: Cross multiply
   118,191.92x = 163,104.78 × 64,476.82
4. Step 4: Simplify right side
   118,191.92x = 10,516,477,541.20
5. Step 5: Solve for x
   x = 10,516,477,541.20/118,191.92
6. Step 6: Final answer
   x = 88,977.97