Finding the Fourth Proportional to 5,147.32, 7,103.33 and 2,789.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.32 : 7,103.33 = 2,789.47 : x
2. Step 2: Convert to fraction form
   5,147.32/7,103.33 = 2,789.47/x
3. Step 3: Cross multiply
   5,147.32x = 7,103.33 × 2,789.47
4. Step 4: Simplify right side
   5,147.32x = 19,814,525.94
5. Step 5: Solve for x
   x = 19,814,525.94/5,147.32
6. Step 6: Final answer
   x = 3,849.48