Finding the Fourth Proportional to 1,708.34, 2,347.28 and 1,358.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.34 : 2,347.28 = 1,358.42 : x
2. Step 2: Convert to fraction form
   1,708.34/2,347.28 = 1,358.42/x
3. Step 3: Cross multiply
   1,708.34x = 2,347.28 × 1,358.42
4. Step 4: Simplify right side
   1,708.34x = 3,188,592.10
5. Step 5: Solve for x
   x = 3,188,592.10/1,708.34
6. Step 6: Final answer
   x = 1,866.49