Finding the Fourth Proportional to 21,253.87, 29,351.55 and 17,514.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,253.87 : 29,351.55 = 17,514.10 : x
2. Step 2: Convert to fraction form
   21,253.87/29,351.55 = 17,514.10/x
3. Step 3: Cross multiply
   21,253.87x = 29,351.55 × 17,514.10
4. Step 4: Simplify right side
   21,253.87x = 514,065,981.86
5. Step 5: Solve for x
   x = 514,065,981.86/21,253.87
6. Step 6: Final answer
   x = 24,186.94