Finding the Fourth Proportional to 24,498.72, 33,802.32 and 15,543

Step by Step Solution

1. Step 1: Write the proportion equation
   24,498.72 : 33,802.32 = 15,543 : x
2. Step 2: Convert to fraction form
   24,498.72/33,802.32 = 15,543/x
3. Step 3: Cross multiply
   24,498.72x = 33,802.32 × 15,543
4. Step 4: Simplify right side
   24,498.72x = 525,389,459.76
5. Step 5: Solve for x
   x = 525,389,459.76/24,498.72
6. Step 6: Final answer
   x = 21,445.59