Finding the Fourth Proportional to 5,013.47, 7,518.83 and 2,789.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,013.47 : 7,518.83 = 2,789.57 : x
2. Step 2: Convert to fraction form
   5,013.47/7,518.83 = 2,789.57/x
3. Step 3: Cross multiply
   5,013.47x = 7,518.83 × 2,789.57
4. Step 4: Simplify right side
   5,013.47x = 20,974,307.45
5. Step 5: Solve for x
   x = 20,974,307.45/5,013.47
6. Step 6: Final answer
   x = 4,183.59