Finding the Fourth Proportional to 2,392.59, 3,590.63 and 1,570.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.59 : 3,590.63 = 1,570.57 : x
2. Step 2: Convert to fraction form
   2,392.59/3,590.63 = 1,570.57/x
3. Step 3: Cross multiply
   2,392.59x = 3,590.63 × 1,570.57
4. Step 4: Simplify right side
   2,392.59x = 5,639,339.69
5. Step 5: Solve for x
   x = 5,639,339.69/2,392.59
6. Step 6: Final answer
   x = 2,357.01