Finding the Fourth Proportional to 5,013.98, 6,918.24 and 3,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,013.98 : 6,918.24 = 3,818.72 : x
2. Step 2: Convert to fraction form
   5,013.98/6,918.24 = 3,818.72/x
3. Step 3: Cross multiply
   5,013.98x = 6,918.24 × 3,818.72
4. Step 4: Simplify right side
   5,013.98x = 26,418,821.45
5. Step 5: Solve for x
   x = 26,418,821.45/5,013.98
6. Step 6: Final answer
   x = 5,269.03