Finding the Fourth Proportional to 1,849.35, 2,549.45 and 1,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.35 : 2,549.45 = 1,140.72 : x
2. Step 2: Convert to fraction form
   1,849.35/2,549.45 = 1,140.72/x
3. Step 3: Cross multiply
   1,849.35x = 2,549.45 × 1,140.72
4. Step 4: Simplify right side
   1,849.35x = 2,908,198.69
5. Step 5: Solve for x
   x = 2,908,198.69/1,849.35
6. Step 6: Final answer
   x = 1,572.55