Finding the Fourth Proportional to 5,900.05, 8,142.96 and 3,543.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,900.05 : 8,142.96 = 3,543.49 : x
2. Step 2: Convert to fraction form
   5,900.05/8,142.96 = 3,543.49/x
3. Step 3: Cross multiply
   5,900.05x = 8,142.96 × 3,543.49
4. Step 4: Simplify right side
   5,900.05x = 28,854,497.33
5. Step 5: Solve for x
   x = 28,854,497.33/5,900.05
6. Step 6: Final answer
   x = 4,890.55