Finding the Fourth Proportional to 3,259.98, 4,890.38 and 1,068.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259.98 : 4,890.38 = 1,068.12 : x
2. Step 2: Convert to fraction form
   3,259.98/4,890.38 = 1,068.12/x
3. Step 3: Cross multiply
   3,259.98x = 4,890.38 × 1,068.12
4. Step 4: Simplify right side
   3,259.98x = 5,223,512.69
5. Step 5: Solve for x
   x = 5,223,512.69/3,259.98
6. Step 6: Final answer
   x = 1,602.31