Finding the Fourth Proportional to 3,620.53, 5,404.55 and 3,349.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.53 : 5,404.55 = 3,349.99 : x
2. Step 2: Convert to fraction form
   3,620.53/5,404.55 = 3,349.99/x
3. Step 3: Cross multiply
   3,620.53x = 5,404.55 × 3,349.99
4. Step 4: Simplify right side
   3,620.53x = 18,105,188.45
5. Step 5: Solve for x
   x = 18,105,188.45/3,620.53
6. Step 6: Final answer
   x = 5,000.70