Finding the Fourth Proportional to 1,708.02, 2,373.30 and 1,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.02 : 2,373.30 = 1,687.50 : x
2. Step 2: Convert to fraction form
   1,708.02/2,373.30 = 1,687.50/x
3. Step 3: Cross multiply
   1,708.02x = 2,373.30 × 1,687.50
4. Step 4: Simplify right side
   1,708.02x = 4,004,943.75
5. Step 5: Solve for x
   x = 4,004,943.75/1,708.02
6. Step 6: Final answer
   x = 2,344.79