Finding the Fourth Proportional to 2,423.31, 3,345.33 and 1,715.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.31 : 3,345.33 = 1,715.77 : x
2. Step 2: Convert to fraction form
   2,423.31/3,345.33 = 1,715.77/x
3. Step 3: Cross multiply
   2,423.31x = 3,345.33 × 1,715.77
4. Step 4: Simplify right side
   2,423.31x = 5,739,816.85
5. Step 5: Solve for x
   x = 5,739,816.85/2,423.31
6. Step 6: Final answer
   x = 2,368.59