Finding the Fourth Proportional to 2,113.74, 2,916.83 and 1,274.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.74 : 2,916.83 = 1,274.71 : x
2. Step 2: Convert to fraction form
   2,113.74/2,916.83 = 1,274.71/x
3. Step 3: Cross multiply
   2,113.74x = 2,916.83 × 1,274.71
4. Step 4: Simplify right side
   2,113.74x = 3,718,106.00
5. Step 5: Solve for x
   x = 3,718,106.00/2,113.74
6. Step 6: Final answer
   x = 1,759.02