Finding the Fourth Proportional to 2,849.25, 4,275.90 and 1,117.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.25 : 4,275.90 = 1,117.88 : x
2. Step 2: Convert to fraction form
   2,849.25/4,275.90 = 1,117.88/x
3. Step 3: Cross multiply
   2,849.25x = 4,275.90 × 1,117.88
4. Step 4: Simplify right side
   2,849.25x = 4,779,921.71
5. Step 5: Solve for x
   x = 4,779,921.71/2,849.25
6. Step 6: Final answer
   x = 1,677.61