Finding the Fourth Proportional to 3,068.98, 4,603.38 and 877.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.98 : 4,603.38 = 877.69 : x
2. Step 2: Convert to fraction form
   3,068.98/4,603.38 = 877.69/x
3. Step 3: Cross multiply
   3,068.98x = 4,603.38 × 877.69
4. Step 4: Simplify right side
   3,068.98x = 4,040,340.59
5. Step 5: Solve for x
   x = 4,040,340.59/3,068.98
6. Step 6: Final answer
   x = 1,316.51