Finding the Fourth Proportional to 3,068.88, 4,603.86 and 1,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.88 : 4,603.86 = 1,120.86 : x
2. Step 2: Convert to fraction form
   3,068.88/4,603.86 = 1,120.86/x
3. Step 3: Cross multiply
   3,068.88x = 4,603.86 × 1,120.86
4. Step 4: Simplify right side
   3,068.88x = 5,160,282.52
5. Step 5: Solve for x
   x = 5,160,282.52/3,068.88
6. Step 6: Final answer
   x = 1,681.49