Finding the Fourth Proportional to 1,723.96, 2,590.59 and 902.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723.96 : 2,590.59 = 902.83 : x
2. Step 2: Convert to fraction form
   1,723.96/2,590.59 = 902.83/x
3. Step 3: Cross multiply
   1,723.96x = 2,590.59 × 902.83
4. Step 4: Simplify right side
   1,723.96x = 2,338,862.37
5. Step 5: Solve for x
   x = 2,338,862.37/1,723.96
6. Step 6: Final answer
   x = 1,356.68