Finding the Fourth Proportional to 2,357.43, 3,536.71 and 1,665.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.43 : 3,536.71 = 1,665.45 : x
2. Step 2: Convert to fraction form
   2,357.43/3,536.71 = 1,665.45/x
3. Step 3: Cross multiply
   2,357.43x = 3,536.71 × 1,665.45
4. Step 4: Simplify right side
   2,357.43x = 5,890,213.67
5. Step 5: Solve for x
   x = 5,890,213.67/2,357.43
6. Step 6: Final answer
   x = 2,498.57