Finding the Fourth Proportional to 9,039.32, 12,465.50 and 7,049.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.32 : 12,465.50 = 7,049.15 : x
2. Step 2: Convert to fraction form
   9,039.32/12,465.50 = 7,049.15/x
3. Step 3: Cross multiply
   9,039.32x = 12,465.50 × 7,049.15
4. Step 4: Simplify right side
   9,039.32x = 87,871,228.11
5. Step 5: Solve for x
   x = 87,871,228.11/9,039.32
6. Step 6: Final answer
   x = 9,721.00