Finding the Fourth Proportional to 22,435.57, 30,960.88 and 12,363.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,435.57 : 30,960.88 = 12,363.76 : x
2. Step 2: Convert to fraction form
   22,435.57/30,960.88 = 12,363.76/x
3. Step 3: Cross multiply
   22,435.57x = 30,960.88 × 12,363.76
4. Step 4: Simplify right side
   22,435.57x = 382,792,889.71
5. Step 5: Solve for x
   x = 382,792,889.71/22,435.57
6. Step 6: Final answer
   x = 17,061.87