Finding the Fourth Proportional to 114,925.18, 158,506.82 and 78,648.06

Step by Step Solution

1. Step 1: Write the proportion equation
   114,925.18 : 158,506.82 = 78,648.06 : x
2. Step 2: Convert to fraction form
   114,925.18/158,506.82 = 78,648.06/x
3. Step 3: Cross multiply
   114,925.18x = 158,506.82 × 78,648.06
4. Step 4: Simplify right side
   114,925.18x = 12,466,253,889.77
5. Step 5: Solve for x
   x = 12,466,253,889.77/114,925.18
6. Step 6: Final answer
   x = 108,472.78