Finding the Fourth Proportional to 22,023.16, 30,392.88 and 12,591.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,023.16 : 30,392.88 = 12,591.72 : x
2. Step 2: Convert to fraction form
   22,023.16/30,392.88 = 12,591.72/x
3. Step 3: Cross multiply
   22,023.16x = 30,392.88 × 12,591.72
4. Step 4: Simplify right side
   22,023.16x = 382,698,634.95
5. Step 5: Solve for x
   x = 382,698,634.95/22,023.16
6. Step 6: Final answer
   x = 17,377.10