Finding the Fourth Proportional to 17,875.91, 24,661.72 and 10,320.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,875.91 : 24,661.72 = 10,320.78 : x
2. Step 2: Convert to fraction form
   17,875.91/24,661.72 = 10,320.78/x
3. Step 3: Cross multiply
   17,875.91x = 24,661.72 × 10,320.78
4. Step 4: Simplify right side
   17,875.91x = 254,528,129.83
5. Step 5: Solve for x
   x = 254,528,129.83/17,875.91
6. Step 6: Final answer
   x = 14,238.61