Finding the Fourth Proportional to 1,974.96, 2,726.16 and 1,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.96 : 2,726.16 = 1,348.72 : x
2. Step 2: Convert to fraction form
   1,974.96/2,726.16 = 1,348.72/x
3. Step 3: Cross multiply
   1,974.96x = 2,726.16 × 1,348.72
4. Step 4: Simplify right side
   1,974.96x = 3,676,826.52
5. Step 5: Solve for x
   x = 3,676,826.52/1,974.96
6. Step 6: Final answer
   x = 1,861.72