Finding the Fourth Proportional to 4,459.42, 6,152.79 and 2,889.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,459.42 : 6,152.79 = 2,889.10 : x
2. Step 2: Convert to fraction form
   4,459.42/6,152.79 = 2,889.10/x
3. Step 3: Cross multiply
   4,459.42x = 6,152.79 × 2,889.10
4. Step 4: Simplify right side
   4,459.42x = 17,776,025.59
5. Step 5: Solve for x
   x = 17,776,025.59/4,459.42
6. Step 6: Final answer
   x = 3,986.17