Finding the Fourth Proportional to 9,049.12, 12,487.68 and 5,070.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.12 : 12,487.68 = 5,070.22 : x
2. Step 2: Convert to fraction form
   9,049.12/12,487.68 = 5,070.22/x
3. Step 3: Cross multiply
   9,049.12x = 12,487.68 × 5,070.22
4. Step 4: Simplify right side
   9,049.12x = 63,315,284.89
5. Step 5: Solve for x
   x = 63,315,284.89/9,049.12
6. Step 6: Final answer
   x = 6,996.84