Finding the Fourth Proportional to 1,708.56, 2,358.72 and 1,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.56 : 2,358.72 = 1,314.72 : x
2. Step 2: Convert to fraction form
   1,708.56/2,358.72 = 1,314.72/x
3. Step 3: Cross multiply
   1,708.56x = 2,358.72 × 1,314.72
4. Step 4: Simplify right side
   1,708.56x = 3,101,056.36
5. Step 5: Solve for x
   x = 3,101,056.36/1,708.56
6. Step 6: Final answer
   x = 1,815.01