Finding the Fourth Proportional to 5,518.52, 7,613.34 and 3,393.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,518.52 : 7,613.34 = 3,393.37 : x
2. Step 2: Convert to fraction form
   5,518.52/7,613.34 = 3,393.37/x
3. Step 3: Cross multiply
   5,518.52x = 7,613.34 × 3,393.37
4. Step 4: Simplify right side
   5,518.52x = 25,834,876.35
5. Step 5: Solve for x
   x = 25,834,876.35/5,518.52
6. Step 6: Final answer
   x = 4,681.49