Finding the Fourth Proportional to 17,960, 24,785.28 and 10,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,960 : 24,785.28 = 10,002.56 : x
2. Step 2: Convert to fraction form
   17,960/24,785.28 = 10,002.56/x
3. Step 3: Cross multiply
   17,960x = 24,785.28 × 10,002.56
4. Step 4: Simplify right side
   17,960x = 247,916,250.32
5. Step 5: Solve for x
   x = 247,916,250.32/17,960
6. Step 6: Final answer
   x = 13,803.80