Finding the Fourth Proportional to 2,691.77, 4,031.79 and 1,302.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.77 : 4,031.79 = 1,302.17 : x
2. Step 2: Convert to fraction form
   2,691.77/4,031.79 = 1,302.17/x
3. Step 3: Cross multiply
   2,691.77x = 4,031.79 × 1,302.17
4. Step 4: Simplify right side
   2,691.77x = 5,250,086.06
5. Step 5: Solve for x
   x = 5,250,086.06/2,691.77
6. Step 6: Final answer
   x = 1,950.43