Finding the Fourth Proportional to 10,647.52, 15,969.12 and 2,854.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.52 : 15,969.12 = 2,854.51 : x
2. Step 2: Convert to fraction form
   10,647.52/15,969.12 = 2,854.51/x
3. Step 3: Cross multiply
   10,647.52x = 15,969.12 × 2,854.51
4. Step 4: Simplify right side
   10,647.52x = 45,584,012.73
5. Step 5: Solve for x
   x = 45,584,012.73/10,647.52
6. Step 6: Final answer
   x = 4,281.19