Finding the Fourth Proportional to 2,607.52, 3,912.92 and 1,068.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.52 : 3,912.92 = 1,068.56 : x
2. Step 2: Convert to fraction form
   2,607.52/3,912.92 = 1,068.56/x
3. Step 3: Cross multiply
   2,607.52x = 3,912.92 × 1,068.56
4. Step 4: Simplify right side
   2,607.52x = 4,181,189.80
5. Step 5: Solve for x
   x = 4,181,189.80/2,607.52
6. Step 6: Final answer
   x = 1,603.51