Finding the Fourth Proportional to 3,763.31, 5,646.89 and 1,791.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.31 : 5,646.89 = 1,791.17 : x
2. Step 2: Convert to fraction form
   3,763.31/5,646.89 = 1,791.17/x
3. Step 3: Cross multiply
   3,763.31x = 5,646.89 × 1,791.17
4. Step 4: Simplify right side
   3,763.31x = 10,114,502.77
5. Step 5: Solve for x
   x = 10,114,502.77/3,763.31
6. Step 6: Final answer
   x = 2,687.66