Finding the Fourth Proportional to 2,774.29, 3,827.59 and 1,830.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.29 : 3,827.59 = 1,830.55 : x
2. Step 2: Convert to fraction form
   2,774.29/3,827.59 = 1,830.55/x
3. Step 3: Cross multiply
   2,774.29x = 3,827.59 × 1,830.55
4. Step 4: Simplify right side
   2,774.29x = 7,006,594.87
5. Step 5: Solve for x
   x = 7,006,594.87/2,774.29
6. Step 6: Final answer
   x = 2,525.55