Finding the Fourth Proportional to 9,039.02, 12,475.78 and 5,503.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.02 : 12,475.78 = 5,503.36 : x
2. Step 2: Convert to fraction form
   9,039.02/12,475.78 = 5,503.36/x
3. Step 3: Cross multiply
   9,039.02x = 12,475.78 × 5,503.36
4. Step 4: Simplify right side
   9,039.02x = 68,658,708.62
5. Step 5: Solve for x
   x = 68,658,708.62/9,039.02
6. Step 6: Final answer
   x = 7,595.81