Finding the Fourth Proportional to 2,689.77, 3,711.77 and 1,570.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.77 : 3,711.77 = 1,570.82 : x
2. Step 2: Convert to fraction form
   2,689.77/3,711.77 = 1,570.82/x
3. Step 3: Cross multiply
   2,689.77x = 3,711.77 × 1,570.82
4. Step 4: Simplify right side
   2,689.77x = 5,830,502.03
5. Step 5: Solve for x
   x = 5,830,502.03/2,689.77
6. Step 6: Final answer
   x = 2,167.66