Finding the Fourth Proportional to 22,047.60, 30,425.16 and 12,615.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.60 : 30,425.16 = 12,615.56 : x
2. Step 2: Convert to fraction form
   22,047.60/30,425.16 = 12,615.56/x
3. Step 3: Cross multiply
   22,047.60x = 30,425.16 × 12,615.56
4. Step 4: Simplify right side
   22,047.60x = 383,830,431.49
5. Step 5: Solve for x
   x = 383,830,431.49/22,047.60
6. Step 6: Final answer
   x = 17,409.17