Finding the Fourth Proportional to 22,088.83, 30,440.59 and 15,790.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,088.83 : 30,440.59 = 15,790.27 : x
2. Step 2: Convert to fraction form
   22,088.83/30,440.59 = 15,790.27/x
3. Step 3: Cross multiply
   22,088.83x = 30,440.59 × 15,790.27
4. Step 4: Simplify right side
   22,088.83x = 480,665,135.06
5. Step 5: Solve for x
   x = 480,665,135.06/22,088.83
6. Step 6: Final answer
   x = 21,760.55