Finding the Fourth Proportional to 8,793.72, 12,134.50 and 5,015.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,793.72 : 12,134.50 = 5,015.99 : x
2. Step 2: Convert to fraction form
   8,793.72/12,134.50 = 5,015.99/x
3. Step 3: Cross multiply
   8,793.72x = 12,134.50 × 5,015.99
4. Step 4: Simplify right side
   8,793.72x = 60,866,548.45
5. Step 5: Solve for x
   x = 60,866,548.45/8,793.72
6. Step 6: Final answer
   x = 6,921.59