Finding the Fourth Proportional to 5,897.59, 8,138.61 and 3,208.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,897.59 : 8,138.61 = 3,208.89 : x
2. Step 2: Convert to fraction form
   5,897.59/8,138.61 = 3,208.89/x
3. Step 3: Cross multiply
   5,897.59x = 8,138.61 × 3,208.89
4. Step 4: Simplify right side
   5,897.59x = 26,115,861.69
5. Step 5: Solve for x
   x = 26,115,861.69/5,897.59
6. Step 6: Final answer
   x = 4,428.23