Finding the Fourth Proportional to 2,899.58, 4,350.12 and 1,255.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.58 : 4,350.12 = 1,255.74 : x
2. Step 2: Convert to fraction form
   2,899.58/4,350.12 = 1,255.74/x
3. Step 3: Cross multiply
   2,899.58x = 4,350.12 × 1,255.74
4. Step 4: Simplify right side
   2,899.58x = 5,462,619.69
5. Step 5: Solve for x
   x = 5,462,619.69/2,899.58
6. Step 6: Final answer
   x = 1,883.93