Finding the Fourth Proportional to 16,068.52, 24,139.78 and 11,400.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,068.52 : 24,139.78 = 11,400.12 : x
2. Step 2: Convert to fraction form
   16,068.52/24,139.78 = 11,400.12/x
3. Step 3: Cross multiply
   16,068.52x = 24,139.78 × 11,400.12
4. Step 4: Simplify right side
   16,068.52x = 275,196,388.77
5. Step 5: Solve for x
   x = 275,196,388.77/16,068.52
6. Step 6: Final answer
   x = 17,126.43