Finding the Fourth Proportional to 78,824.10, 118,063.35 and 68,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,824.10 : 118,063.35 = 68,456.10 : x
2. Step 2: Convert to fraction form
   78,824.10/118,063.35 = 68,456.10/x
3. Step 3: Cross multiply
   78,824.10x = 118,063.35 × 68,456.10
4. Step 4: Simplify right side
   78,824.10x = 8,082,156,493.94
5. Step 5: Solve for x
   x = 8,082,156,493.94/78,824.10
6. Step 6: Final answer
   x = 102,534.08