Finding the Fourth Proportional to 1,348.72, 1,862.16 and 844.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.72 : 1,862.16 = 844.78 : x
2. Step 2: Convert to fraction form
   1,348.72/1,862.16 = 844.78/x
3. Step 3: Cross multiply
   1,348.72x = 1,862.16 × 844.78
4. Step 4: Simplify right side
   1,348.72x = 1,573,115.52
5. Step 5: Solve for x
   x = 1,573,115.52/1,348.72
6. Step 6: Final answer
   x = 1,166.38