Finding the Fourth Proportional to 1,758.42, 2,623.89 and 1,603.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.42 : 2,623.89 = 1,603.17 : x
2. Step 2: Convert to fraction form
   1,758.42/2,623.89 = 1,603.17/x
3. Step 3: Cross multiply
   1,758.42x = 2,623.89 × 1,603.17
4. Step 4: Simplify right side
   1,758.42x = 4,206,541.73
5. Step 5: Solve for x
   x = 4,206,541.73/1,758.42
6. Step 6: Final answer
   x = 2,392.23