Finding the Fourth Proportional to 22,288.64, 33,432.89 and 5,648.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.64 : 33,432.89 = 5,648.61 : x
2. Step 2: Convert to fraction form
   22,288.64/33,432.89 = 5,648.61/x
3. Step 3: Cross multiply
   22,288.64x = 33,432.89 × 5,648.61
4. Step 4: Simplify right side
   22,288.64x = 188,849,453.91
5. Step 5: Solve for x
   x = 188,849,453.91/22,288.64
6. Step 6: Final answer
   x = 8,472.90