Finding the Fourth Proportional to 5,522.49, 7,621.89 and 3,537.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.49 : 7,621.89 = 3,537.78 : x
2. Step 2: Convert to fraction form
   5,522.49/7,621.89 = 3,537.78/x
3. Step 3: Cross multiply
   5,522.49x = 7,621.89 × 3,537.78
4. Step 4: Simplify right side
   5,522.49x = 26,964,570.00
5. Step 5: Solve for x
   x = 26,964,570.00/5,522.49
6. Step 6: Final answer
   x = 4,882.68