Finding the Fourth Proportional to 24,308.72, 33,545.84 and 13,553.47

Step by Step Solution

1. Step 1: Write the proportion equation
   24,308.72 : 33,545.84 = 13,553.47 : x
2. Step 2: Convert to fraction form
   24,308.72/33,545.84 = 13,553.47/x
3. Step 3: Cross multiply
   24,308.72x = 33,545.84 × 13,553.47
4. Step 4: Simplify right side
   24,308.72x = 454,662,300.57
5. Step 5: Solve for x
   x = 454,662,300.57/24,308.72
6. Step 6: Final answer
   x = 18,703.67