Finding the Fourth Proportional to 5,287.34, 7,296.41 and 2,897.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,287.34 : 7,296.41 = 2,897.34 : x
2. Step 2: Convert to fraction form
   5,287.34/7,296.41 = 2,897.34/x
3. Step 3: Cross multiply
   5,287.34x = 7,296.41 × 2,897.34
4. Step 4: Simplify right side
   5,287.34x = 21,140,160.43
5. Step 5: Solve for x
   x = 21,140,160.43/5,287.34
6. Step 6: Final answer
   x = 3,998.26