Finding the Fourth Proportional to 2,543.31, 3,816.41 and 1,175.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.31 : 3,816.41 = 1,175.31 : x
2. Step 2: Convert to fraction form
   2,543.31/3,816.41 = 1,175.31/x
3. Step 3: Cross multiply
   2,543.31x = 3,816.41 × 1,175.31
4. Step 4: Simplify right side
   2,543.31x = 4,485,474.38
5. Step 5: Solve for x
   x = 4,485,474.38/2,543.31
6. Step 6: Final answer
   x = 1,763.63