Finding the Fourth Proportional to 1,894.59, 2,841.50 and 723.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.59 : 2,841.50 = 723.78 : x
2. Step 2: Convert to fraction form
   1,894.59/2,841.50 = 723.78/x
3. Step 3: Cross multiply
   1,894.59x = 2,841.50 × 723.78
4. Step 4: Simplify right side
   1,894.59x = 2,056,617.25
5. Step 5: Solve for x
   x = 2,056,617.25/1,894.59
6. Step 6: Final answer
   x = 1,085.52