Finding the Fourth Proportional to 2,689.42, 3,710.75 and 1,569.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.42 : 3,710.75 = 1,569.72 : x
2. Step 2: Convert to fraction form
   2,689.42/3,710.75 = 1,569.72/x
3. Step 3: Cross multiply
   2,689.42x = 3,710.75 × 1,569.72
4. Step 4: Simplify right side
   2,689.42x = 5,824,838.49
5. Step 5: Solve for x
   x = 5,824,838.49/2,689.42
6. Step 6: Final answer
   x = 2,165.83