Finding the Fourth Proportional to 3,006.18, 4,510.71 and 1,059.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,006.18 : 4,510.71 = 1,059.30 : x
2. Step 2: Convert to fraction form
   3,006.18/4,510.71 = 1,059.30/x
3. Step 3: Cross multiply
   3,006.18x = 4,510.71 × 1,059.30
4. Step 4: Simplify right side
   3,006.18x = 4,778,195.10
5. Step 5: Solve for x
   x = 4,778,195.10/3,006.18
6. Step 6: Final answer
   x = 1,589.46