Finding the Fourth Proportional to 3,897.01, 5,817.24 and 3,607.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.01 : 5,817.24 = 3,607.94 : x
2. Step 2: Convert to fraction form
   3,897.01/5,817.24 = 3,607.94/x
3. Step 3: Cross multiply
   3,897.01x = 5,817.24 × 3,607.94
4. Step 4: Simplify right side
   3,897.01x = 20,988,252.89
5. Step 5: Solve for x
   x = 20,988,252.89/3,897.01
6. Step 6: Final answer
   x = 5,385.73