Finding the Fourth Proportional to 22,388.79, 30,894.30 and 12,826.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,388.79 : 30,894.30 = 12,826.83 : x
2. Step 2: Convert to fraction form
   22,388.79/30,894.30 = 12,826.83/x
3. Step 3: Cross multiply
   22,388.79x = 30,894.30 × 12,826.83
4. Step 4: Simplify right side
   22,388.79x = 396,275,934.07
5. Step 5: Solve for x
   x = 396,275,934.07/22,388.79
6. Step 6: Final answer
   x = 17,699.75