Finding the Fourth Proportional to 8,790.68, 12,130.50 and 5,014.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,790.68 : 12,130.50 = 5,014.24 : x
2. Step 2: Convert to fraction form
   8,790.68/12,130.50 = 5,014.24/x
3. Step 3: Cross multiply
   8,790.68x = 12,130.50 × 5,014.24
4. Step 4: Simplify right side
   8,790.68x = 60,825,238.32
5. Step 5: Solve for x
   x = 60,825,238.32/8,790.68
6. Step 6: Final answer
   x = 6,919.29