Finding the Fourth Proportional to 7,854.72, 10,842.56 and 5,335.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.72 : 10,842.56 = 5,335.52 : x
2. Step 2: Convert to fraction form
   7,854.72/10,842.56 = 5,335.52/x
3. Step 3: Cross multiply
   7,854.72x = 10,842.56 × 5,335.52
4. Step 4: Simplify right side
   7,854.72x = 57,850,695.73
5. Step 5: Solve for x
   x = 57,850,695.73/7,854.72
6. Step 6: Final answer
   x = 7,365.09