Finding the Fourth Proportional to 2,908.65, 4,360.39 and 1,059.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.65 : 4,360.39 = 1,059.42 : x
2. Step 2: Convert to fraction form
   2,908.65/4,360.39 = 1,059.42/x
3. Step 3: Cross multiply
   2,908.65x = 4,360.39 × 1,059.42
4. Step 4: Simplify right side
   2,908.65x = 4,619,470.82
5. Step 5: Solve for x
   x = 4,619,470.82/2,908.65
6. Step 6: Final answer
   x = 1,588.19