Finding the Fourth Proportional to 3,574.69, 5,359.56 and 1,572.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.69 : 5,359.56 = 1,572.42 : x
2. Step 2: Convert to fraction form
   3,574.69/5,359.56 = 1,572.42/x
3. Step 3: Cross multiply
   3,574.69x = 5,359.56 × 1,572.42
4. Step 4: Simplify right side
   3,574.69x = 8,427,482.89
5. Step 5: Solve for x
   x = 8,427,482.89/3,574.69
6. Step 6: Final answer
   x = 2,357.54