Finding the Fourth Proportional to 8,288.52, 12,430.30 and 2,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,288.52 : 12,430.30 = 2,443.72 : x
2. Step 2: Convert to fraction form
   8,288.52/12,430.30 = 2,443.72/x
3. Step 3: Cross multiply
   8,288.52x = 12,430.30 × 2,443.72
4. Step 4: Simplify right side
   8,288.52x = 30,376,172.72
5. Step 5: Solve for x
   x = 30,376,172.72/8,288.52
6. Step 6: Final answer
   x = 3,664.85