Finding the Fourth Proportional to 5,482.89, 8,231.13 and 3,645.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,482.89 : 8,231.13 = 3,645.81 : x
2. Step 2: Convert to fraction form
   5,482.89/8,231.13 = 3,645.81/x
3. Step 3: Cross multiply
   5,482.89x = 8,231.13 × 3,645.81
4. Step 4: Simplify right side
   5,482.89x = 30,009,136.07
5. Step 5: Solve for x
   x = 30,009,136.07/5,482.89
6. Step 6: Final answer
   x = 5,473.23