Finding the Fourth Proportional to 1,849.15, 2,552.41 and 1,289.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.15 : 2,552.41 = 1,289.42 : x
2. Step 2: Convert to fraction form
   1,849.15/2,552.41 = 1,289.42/x
3. Step 3: Cross multiply
   1,849.15x = 2,552.41 × 1,289.42
4. Step 4: Simplify right side
   1,849.15x = 3,291,126.92
5. Step 5: Solve for x
   x = 3,291,126.92/1,849.15
6. Step 6: Final answer
   x = 1,779.80