Finding the Fourth Proportional to 17,390.12, 24,011.52 and 10,685

Step by Step Solution

1. Step 1: Write the proportion equation
   17,390.12 : 24,011.52 = 10,685 : x
2. Step 2: Convert to fraction form
   17,390.12/24,011.52 = 10,685/x
3. Step 3: Cross multiply
   17,390.12x = 24,011.52 × 10,685
4. Step 4: Simplify right side
   17,390.12x = 256,563,091.20
5. Step 5: Solve for x
   x = 256,563,091.20/17,390.12
6. Step 6: Final answer
   x = 14,753.38