Finding the Fourth Proportional to 13,223.05, 18,248.00 and 7,254.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,223.05 : 18,248.00 = 7,254.61 : x
2. Step 2: Convert to fraction form
   13,223.05/18,248.00 = 7,254.61/x
3. Step 3: Cross multiply
   13,223.05x = 18,248.00 × 7,254.61
4. Step 4: Simplify right side
   13,223.05x = 132,382,087.01
5. Step 5: Solve for x
   x = 132,382,087.01/13,223.05
6. Step 6: Final answer
   x = 10,011.46