Finding the Fourth Proportional to 1,854.23, 2,781.32 and 758.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.23 : 2,781.32 = 758.59 : x
2. Step 2: Convert to fraction form
   1,854.23/2,781.32 = 758.59/x
3. Step 3: Cross multiply
   1,854.23x = 2,781.32 × 758.59
4. Step 4: Simplify right side
   1,854.23x = 2,109,870.79
5. Step 5: Solve for x
   x = 2,109,870.79/1,854.23
6. Step 6: Final answer
   x = 1,137.87