Finding the Fourth Proportional to 22,143.30, 30,521.79 and 19,264.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,143.30 : 30,521.79 = 19,264.71 : x
2. Step 2: Convert to fraction form
   22,143.30/30,521.79 = 19,264.71/x
3. Step 3: Cross multiply
   22,143.30x = 30,521.79 × 19,264.71
4. Step 4: Simplify right side
   22,143.30x = 587,993,433.03
5. Step 5: Solve for x
   x = 587,993,433.03/22,143.30
6. Step 6: Final answer
   x = 26,554.01