Finding the Fourth Proportional to 2,899.57, 4,314.47 and 2,889.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.57 : 4,314.47 = 2,889.85 : x
2. Step 2: Convert to fraction form
   2,899.57/4,314.47 = 2,889.85/x
3. Step 3: Cross multiply
   2,899.57x = 4,314.47 × 2,889.85
4. Step 4: Simplify right side
   2,899.57x = 12,468,149.56
5. Step 5: Solve for x
   x = 12,468,149.56/2,899.57
6. Step 6: Final answer
   x = 4,300.01