Finding the Fourth Proportional to 2,365.82, 3,264.89 and 1,317.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.82 : 3,264.89 = 1,317.90 : x
2. Step 2: Convert to fraction form
   2,365.82/3,264.89 = 1,317.90/x
3. Step 3: Cross multiply
   2,365.82x = 3,264.89 × 1,317.90
4. Step 4: Simplify right side
   2,365.82x = 4,302,791.94
5. Step 5: Solve for x
   x = 4,302,791.94/2,365.82
6. Step 6: Final answer
   x = 1,818.74