Finding the Fourth Proportional to 5,272.34, 7,909.89 and 1,574.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272.34 : 7,909.89 = 1,574.57 : x
2. Step 2: Convert to fraction form
   5,272.34/7,909.89 = 1,574.57/x
3. Step 3: Cross multiply
   5,272.34x = 7,909.89 × 1,574.57
4. Step 4: Simplify right side
   5,272.34x = 12,454,695.27
5. Step 5: Solve for x
   x = 12,454,695.27/5,272.34
6. Step 6: Final answer
   x = 2,362.27