Finding the Fourth Proportional to 8,793.90, 12,134.70 and 5,016.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,793.90 : 12,134.70 = 5,016.78 : x
2. Step 2: Convert to fraction form
   8,793.90/12,134.70 = 5,016.78/x
3. Step 3: Cross multiply
   8,793.90x = 12,134.70 × 5,016.78
4. Step 4: Simplify right side
   8,793.90x = 60,877,120.27
5. Step 5: Solve for x
   x = 60,877,120.27/8,793.90
6. Step 6: Final answer
   x = 6,922.65