Finding the Fourth Proportional to 8,899.17, 12,282.06 and 5,122.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.17 : 12,282.06 = 5,122.24 : x
2. Step 2: Convert to fraction form
   8,899.17/12,282.06 = 5,122.24/x
3. Step 3: Cross multiply
   8,899.17x = 12,282.06 × 5,122.24
4. Step 4: Simplify right side
   8,899.17x = 62,911,647.52
5. Step 5: Solve for x
   x = 62,911,647.52/8,899.17
6. Step 6: Final answer
   x = 7,069.39