Finding the Fourth Proportional to 1,708.56, 2,358.72 and 1,368.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.56 : 2,358.72 = 1,368.77 : x
2. Step 2: Convert to fraction form
   1,708.56/2,358.72 = 1,368.77/x
3. Step 3: Cross multiply
   1,708.56x = 2,358.72 × 1,368.77
4. Step 4: Simplify right side
   1,708.56x = 3,228,533.38
5. Step 5: Solve for x
   x = 3,228,533.38/1,708.56
6. Step 6: Final answer
   x = 1,889.62