Finding the Fourth Proportional to 3,897.83, 5,836.01 and 2,957.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.83 : 5,836.01 = 2,957.96 : x
2. Step 2: Convert to fraction form
   3,897.83/5,836.01 = 2,957.96/x
3. Step 3: Cross multiply
   3,897.83x = 5,836.01 × 2,957.96
4. Step 4: Simplify right side
   3,897.83x = 17,262,640.17
5. Step 5: Solve for x
   x = 17,262,640.17/3,897.83
6. Step 6: Final answer
   x = 4,428.79