Finding the Fourth Proportional to 2,354.49, 3,532.86 and 1,665.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.49 : 3,532.86 = 1,665.59 : x
2. Step 2: Convert to fraction form
   2,354.49/3,532.86 = 1,665.59/x
3. Step 3: Cross multiply
   2,354.49x = 3,532.86 × 1,665.59
4. Step 4: Simplify right side
   2,354.49x = 5,884,278.62
5. Step 5: Solve for x
   x = 5,884,278.62/2,354.49
6. Step 6: Final answer
   x = 2,499.17