Finding the Fourth Proportional to 5,078.77, 7,603.57 and 3,753.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078.77 : 7,603.57 = 3,753.61 : x
2. Step 2: Convert to fraction form
   5,078.77/7,603.57 = 3,753.61/x
3. Step 3: Cross multiply
   5,078.77x = 7,603.57 × 3,753.61
4. Step 4: Simplify right side
   5,078.77x = 28,540,836.39
5. Step 5: Solve for x
   x = 28,540,836.39/5,078.77
6. Step 6: Final answer
   x = 5,619.64