Finding the Fourth Proportional to 8,900.34, 12,282.48 and 5,363.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.34 : 12,282.48 = 5,363.61 : x
2. Step 2: Convert to fraction form
   8,900.34/12,282.48 = 5,363.61/x
3. Step 3: Cross multiply
   8,900.34x = 12,282.48 × 5,363.61
4. Step 4: Simplify right side
   8,900.34x = 65,878,432.55
5. Step 5: Solve for x
   x = 65,878,432.55/8,900.34
6. Step 6: Final answer
   x = 7,401.79