Finding the Fourth Proportional to 22,160.88, 30,584.84 and 12,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,160.88 : 30,584.84 = 12,604.50 : x
2. Step 2: Convert to fraction form
   22,160.88/30,584.84 = 12,604.50/x
3. Step 3: Cross multiply
   22,160.88x = 30,584.84 × 12,604.50
4. Step 4: Simplify right side
   22,160.88x = 385,506,615.78
5. Step 5: Solve for x
   x = 385,506,615.78/22,160.88
6. Step 6: Final answer
   x = 17,395.82