Finding the Fourth Proportional to 8,510.72, 12,765.72 and 2,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,510.72 : 12,765.72 = 2,354.72 : x
2. Step 2: Convert to fraction form
   8,510.72/12,765.72 = 2,354.72/x
3. Step 3: Cross multiply
   8,510.72x = 12,765.72 × 2,354.72
4. Step 4: Simplify right side
   8,510.72x = 30,059,696.20
5. Step 5: Solve for x
   x = 30,059,696.20/8,510.72
6. Step 6: Final answer
   x = 3,531.98