Finding the Fourth Proportional to 8,807.66, 12,152.67 and 5,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.66 : 12,152.67 = 5,079.50 : x
2. Step 2: Convert to fraction form
   8,807.66/12,152.67 = 5,079.50/x
3. Step 3: Cross multiply
   8,807.66x = 12,152.67 × 5,079.50
4. Step 4: Simplify right side
   8,807.66x = 61,729,487.27
5. Step 5: Solve for x
   x = 61,729,487.27/8,807.66
6. Step 6: Final answer
   x = 7,008.61