Finding the Fourth Proportional to 1,708.52, 2,553.42 and 1,247.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.52 : 2,553.42 = 1,247.27 : x
2. Step 2: Convert to fraction form
   1,708.52/2,553.42 = 1,247.27/x
3. Step 3: Cross multiply
   1,708.52x = 2,553.42 × 1,247.27
4. Step 4: Simplify right side
   1,708.52x = 3,184,805.76
5. Step 5: Solve for x
   x = 3,184,805.76/1,708.52
6. Step 6: Final answer
   x = 1,864.07