Finding the Fourth Proportional to 22,311.53, 33,401.54 and 19,543.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,311.53 : 33,401.54 = 19,543.61 : x
2. Step 2: Convert to fraction form
   22,311.53/33,401.54 = 19,543.61/x
3. Step 3: Cross multiply
   22,311.53x = 33,401.54 × 19,543.61
4. Step 4: Simplify right side
   22,311.53x = 652,786,406.43
5. Step 5: Solve for x
   x = 652,786,406.43/22,311.53
6. Step 6: Final answer
   x = 29,257.81