Finding the Fourth Proportional to 3,505.27, 5,259.32 and 3,449.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.27 : 5,259.32 = 3,449.99 : x
2. Step 2: Convert to fraction form
   3,505.27/5,259.32 = 3,449.99/x
3. Step 3: Cross multiply
   3,505.27x = 5,259.32 × 3,449.99
4. Step 4: Simplify right side
   3,505.27x = 18,144,601.41
5. Step 5: Solve for x
   x = 18,144,601.41/3,505.27
6. Step 6: Final answer
   x = 5,176.38