Finding the Fourth Proportional to 2,128.88, 2,927.95 and 1,708.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.88 : 2,927.95 = 1,708.58 : x
2. Step 2: Convert to fraction form
   2,128.88/2,927.95 = 1,708.58/x
3. Step 3: Cross multiply
   2,128.88x = 2,927.95 × 1,708.58
4. Step 4: Simplify right side
   2,128.88x = 5,002,623.39
5. Step 5: Solve for x
   x = 5,002,623.39/2,128.88
6. Step 6: Final answer
   x = 2,349.88