Finding the Fourth Proportional to 2,573.90, 3,552.07 and 1,565.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.90 : 3,552.07 = 1,565.31 : x
2. Step 2: Convert to fraction form
   2,573.90/3,552.07 = 1,565.31/x
3. Step 3: Cross multiply
   2,573.90x = 3,552.07 × 1,565.31
4. Step 4: Simplify right side
   2,573.90x = 5,560,090.69
5. Step 5: Solve for x
   x = 5,560,090.69/2,573.90
6. Step 6: Final answer
   x = 2,160.19