Finding the Fourth Proportional to 2,239.52, 3,358.72 and 1,068.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,239.52 : 3,358.72 = 1,068.80 : x
2. Step 2: Convert to fraction form
   2,239.52/3,358.72 = 1,068.80/x
3. Step 3: Cross multiply
   2,239.52x = 3,358.72 × 1,068.80
4. Step 4: Simplify right side
   2,239.52x = 3,589,799.94
5. Step 5: Solve for x
   x = 3,589,799.94/2,239.52
6. Step 6: Final answer
   x = 1,602.93