Finding the Fourth Proportional to 5,581.69, 8,405.96 and 5,083.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581.69 : 8,405.96 = 5,083.46 : x
2. Step 2: Convert to fraction form
   5,581.69/8,405.96 = 5,083.46/x
3. Step 3: Cross multiply
   5,581.69x = 8,405.96 × 5,083.46
4. Step 4: Simplify right side
   5,581.69x = 42,731,361.42
5. Step 5: Solve for x
   x = 42,731,361.42/5,581.69
6. Step 6: Final answer
   x = 7,655.63