Finding the Fourth Proportional to 2,101.17, 3,153.30 and 1,695.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.17 : 3,153.30 = 1,695.21 : x
2. Step 2: Convert to fraction form
   2,101.17/3,153.30 = 1,695.21/x
3. Step 3: Cross multiply
   2,101.17x = 3,153.30 × 1,695.21
4. Step 4: Simplify right side
   2,101.17x = 5,345,505.69
5. Step 5: Solve for x
   x = 5,345,505.69/2,101.17
6. Step 6: Final answer
   x = 2,544.06