Finding the Fourth Proportional to 22,143.79, 33,168.84 and 17,908.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,143.79 : 33,168.84 = 17,908.87 : x
2. Step 2: Convert to fraction form
   22,143.79/33,168.84 = 17,908.87/x
3. Step 3: Cross multiply
   22,143.79x = 33,168.84 × 17,908.87
4. Step 4: Simplify right side
   22,143.79x = 594,016,443.61
5. Step 5: Solve for x
   x = 594,016,443.61/22,143.79
6. Step 6: Final answer
   x = 26,825.42