Finding the Fourth Proportional to 2,585.83, 3,878.98 and 736.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.83 : 3,878.98 = 736.91 : x
2. Step 2: Convert to fraction form
   2,585.83/3,878.98 = 736.91/x
3. Step 3: Cross multiply
   2,585.83x = 3,878.98 × 736.91
4. Step 4: Simplify right side
   2,585.83x = 2,858,442.76
5. Step 5: Solve for x
   x = 2,858,442.76/2,585.83
6. Step 6: Final answer
   x = 1,105.42