Finding the Fourth Proportional to 8,909.34, 12,292.63 and 5,133.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,909.34 : 12,292.63 = 5,133.61 : x
2. Step 2: Convert to fraction form
   8,909.34/12,292.63 = 5,133.61/x
3. Step 3: Cross multiply
   8,909.34x = 12,292.63 × 5,133.61
4. Step 4: Simplify right side
   8,909.34x = 63,105,568.29
5. Step 5: Solve for x
   x = 63,105,568.29/8,909.34
6. Step 6: Final answer
   x = 7,083.08