Finding the Fourth Proportional to 9,026.02, 12,453.78 and 5,489.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,026.02 : 12,453.78 = 5,489.02 : x
2. Step 2: Convert to fraction form
   9,026.02/12,453.78 = 5,489.02/x
3. Step 3: Cross multiply
   9,026.02x = 12,453.78 × 5,489.02
4. Step 4: Simplify right side
   9,026.02x = 68,359,047.50
5. Step 5: Solve for x
   x = 68,359,047.50/9,026.02
6. Step 6: Final answer
   x = 7,573.55