Finding the Fourth Proportional to 2,345.57, 3,233.95 and 1,715.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.57 : 3,233.95 = 1,715.59 : x
2. Step 2: Convert to fraction form
   2,345.57/3,233.95 = 1,715.59/x
3. Step 3: Cross multiply
   2,345.57x = 3,233.95 × 1,715.59
4. Step 4: Simplify right side
   2,345.57x = 5,548,132.28
5. Step 5: Solve for x
   x = 5,548,132.28/2,345.57
6. Step 6: Final answer
   x = 2,365.37