Finding the Fourth Proportional to 17,721.81, 24,457.59 and 10,648.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.81 : 24,457.59 = 10,648.08 : x
2. Step 2: Convert to fraction form
   17,721.81/24,457.59 = 10,648.08/x
3. Step 3: Cross multiply
   17,721.81x = 24,457.59 × 10,648.08
4. Step 4: Simplify right side
   17,721.81x = 260,426,374.93
5. Step 5: Solve for x
   x = 260,426,374.93/17,721.81
6. Step 6: Final answer
   x = 14,695.25