Finding the Fourth Proportional to 17,928.24, 24,740.61 and 9,970.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928.24 : 24,740.61 = 9,970.29 : x
2. Step 2: Convert to fraction form
   17,928.24/24,740.61 = 9,970.29/x
3. Step 3: Cross multiply
   17,928.24x = 24,740.61 × 9,970.29
4. Step 4: Simplify right side
   17,928.24x = 246,671,103.21
5. Step 5: Solve for x
   x = 246,671,103.21/17,928.24
6. Step 6: Final answer
   x = 13,758.80