Finding the Fourth Proportional to 22,013.34, 30,380.13 and 12,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,013.34 : 30,380.13 = 12,583.50 : x
2. Step 2: Convert to fraction form
   22,013.34/30,380.13 = 12,583.50/x
3. Step 3: Cross multiply
   22,013.34x = 30,380.13 × 12,583.50
4. Step 4: Simplify right side
   22,013.34x = 382,288,365.86
5. Step 5: Solve for x
   x = 382,288,365.86/22,013.34
6. Step 6: Final answer
   x = 17,366.21