Finding the Fourth Proportional to 3,574.88, 5,359.52 and 1,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.88 : 5,359.52 = 1,385.52 : x
2. Step 2: Convert to fraction form
   3,574.88/5,359.52 = 1,385.52/x
3. Step 3: Cross multiply
   3,574.88x = 5,359.52 × 1,385.52
4. Step 4: Simplify right side
   3,574.88x = 7,425,722.15
5. Step 5: Solve for x
   x = 7,425,722.15/3,574.88
6. Step 6: Final answer
   x = 2,077.19