Finding the Fourth Proportional to 1,947.53, 2,918.54 and 849.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.53 : 2,918.54 = 849.57 : x
2. Step 2: Convert to fraction form
   1,947.53/2,918.54 = 849.57/x
3. Step 3: Cross multiply
   1,947.53x = 2,918.54 × 849.57
4. Step 4: Simplify right side
   1,947.53x = 2,479,499.78
5. Step 5: Solve for x
   x = 2,479,499.78/1,947.53
6. Step 6: Final answer
   x = 1,273.15