Finding the Fourth Proportional to 2,363.31, 3,539.56 and 1,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.31 : 3,539.56 = 1,131.59 : x
2. Step 2: Convert to fraction form
   2,363.31/3,539.56 = 1,131.59/x
3. Step 3: Cross multiply
   2,363.31x = 3,539.56 × 1,131.59
4. Step 4: Simplify right side
   2,363.31x = 4,005,330.70
5. Step 5: Solve for x
   x = 4,005,330.70/2,363.31
6. Step 6: Final answer
   x = 1,694.80