Finding the Fourth Proportional to 22,152.18, 30,574.74 and 12,725.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.18 : 30,574.74 = 12,725.94 : x
2. Step 2: Convert to fraction form
   22,152.18/30,574.74 = 12,725.94/x
3. Step 3: Cross multiply
   22,152.18x = 30,574.74 × 12,725.94
4. Step 4: Simplify right side
   22,152.18x = 389,092,306.76
5. Step 5: Solve for x
   x = 389,092,306.76/22,152.18
6. Step 6: Final answer
   x = 17,564.52