Finding the Fourth Proportional to 118,737.36, 163,872.72 and 68,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,737.36 : 163,872.72 = 68,436.72 : x
2. Step 2: Convert to fraction form
   118,737.36/163,872.72 = 68,436.72/x
3. Step 3: Cross multiply
   118,737.36x = 163,872.72 × 68,436.72
4. Step 4: Simplify right side
   118,737.36x = 11,214,911,454.28
5. Step 5: Solve for x
   x = 11,214,911,454.28/118,737.36
6. Step 6: Final answer
   x = 94,451.41