Finding the Fourth Proportional to 2,114.64, 2,918.52 and 1,275.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.64 : 2,918.52 = 1,275.96 : x
2. Step 2: Convert to fraction form
   2,114.64/2,918.52 = 1,275.96/x
3. Step 3: Cross multiply
   2,114.64x = 2,918.52 × 1,275.96
4. Step 4: Simplify right side
   2,114.64x = 3,723,914.78
5. Step 5: Solve for x
   x = 3,723,914.78/2,114.64
6. Step 6: Final answer
   x = 1,761.02