Finding the Fourth Proportional to 2,114.02, 2,916.82 and 1,275.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.02 : 2,916.82 = 1,275.21 : x
2. Step 2: Convert to fraction form
   2,114.02/2,916.82 = 1,275.21/x
3. Step 3: Cross multiply
   2,114.02x = 2,916.82 × 1,275.21
4. Step 4: Simplify right side
   2,114.02x = 3,719,570.56
5. Step 5: Solve for x
   x = 3,719,570.56/2,114.02
6. Step 6: Final answer
   x = 1,759.48