Finding the Fourth Proportional to 11,045.80, 15,238.25 and 7,459.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,045.80 : 15,238.25 = 7,459.61 : x
2. Step 2: Convert to fraction form
   11,045.80/15,238.25 = 7,459.61/x
3. Step 3: Cross multiply
   11,045.80x = 15,238.25 × 7,459.61
4. Step 4: Simplify right side
   11,045.80x = 113,671,344.54
5. Step 5: Solve for x
   x = 113,671,344.54/11,045.80
6. Step 6: Final answer
   x = 10,290.91