Finding the Fourth Proportional to 5,897.28, 8,141.52 and 3,540

Step by Step Solution

1. Step 1: Write the proportion equation
   5,897.28 : 8,141.52 = 3,540 : x
2. Step 2: Convert to fraction form
   5,897.28/8,141.52 = 3,540/x
3. Step 3: Cross multiply
   5,897.28x = 8,141.52 × 3,540
4. Step 4: Simplify right side
   5,897.28x = 28,820,980.80
5. Step 5: Solve for x
   x = 28,820,980.80/5,897.28
6. Step 6: Final answer
   x = 4,887.17