Finding the Fourth Proportional to 3,059.10, 4,588.56 and 868.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.10 : 4,588.56 = 868.05 : x
2. Step 2: Convert to fraction form
   3,059.10/4,588.56 = 868.05/x
3. Step 3: Cross multiply
   3,059.10x = 4,588.56 × 868.05
4. Step 4: Simplify right side
   3,059.10x = 3,983,099.51
5. Step 5: Solve for x
   x = 3,983,099.51/3,059.10
6. Step 6: Final answer
   x = 1,302.05