Finding the Fourth Proportional to 17,710, 24,439.80 and 9,752.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,710 : 24,439.80 = 9,752.21 : x
2. Step 2: Convert to fraction form
   17,710/24,439.80 = 9,752.21/x
3. Step 3: Cross multiply
   17,710x = 24,439.80 × 9,752.21
4. Step 4: Simplify right side
   17,710x = 238,342,061.96
5. Step 5: Solve for x
   x = 238,342,061.96/17,710
6. Step 6: Final answer
   x = 13,458.05