Finding the Fourth Proportional to 5,272.28, 7,909.54 and 1,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272.28 : 7,909.54 = 1,574.82 : x
2. Step 2: Convert to fraction form
   5,272.28/7,909.54 = 1,574.82/x
3. Step 3: Cross multiply
   5,272.28x = 7,909.54 × 1,574.82
4. Step 4: Simplify right side
   5,272.28x = 12,456,101.78
5. Step 5: Solve for x
   x = 12,456,101.78/5,272.28
6. Step 6: Final answer
   x = 2,362.56