Finding the Fourth Proportional to 2,918.56, 4,379.52 and 1,275.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918.56 : 4,379.52 = 1,275.52 : x
2. Step 2: Convert to fraction form
   2,918.56/4,379.52 = 1,275.52/x
3. Step 3: Cross multiply
   2,918.56x = 4,379.52 × 1,275.52
4. Step 4: Simplify right side
   2,918.56x = 5,586,165.35
5. Step 5: Solve for x
   x = 5,586,165.35/2,918.56
6. Step 6: Final answer
   x = 1,914.01