Finding the Fourth Proportional to 22,005.76, 30,370.56 and 12,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,005.76 : 30,370.56 = 12,574.72 : x
2. Step 2: Convert to fraction form
   22,005.76/30,370.56 = 12,574.72/x
3. Step 3: Cross multiply
   22,005.76x = 30,370.56 × 12,574.72
4. Step 4: Simplify right side
   22,005.76x = 381,901,288.24
5. Step 5: Solve for x
   x = 381,901,288.24/22,005.76
6. Step 6: Final answer
   x = 17,354.61