Finding the Fourth Proportional to 22,392.98, 30,901.47 and 12,321.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,392.98 : 30,901.47 = 12,321.32 : x
2. Step 2: Convert to fraction form
   22,392.98/30,901.47 = 12,321.32/x
3. Step 3: Cross multiply
   22,392.98x = 30,901.47 × 12,321.32
4. Step 4: Simplify right side
   22,392.98x = 380,746,803.59
5. Step 5: Solve for x
   x = 380,746,803.59/22,392.98
6. Step 6: Final answer
   x = 17,002.95