Finding the Fourth Proportional to 5,363.43, 8,045.91 and 1,665.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,363.43 : 8,045.91 = 1,665.96 : x
2. Step 2: Convert to fraction form
   5,363.43/8,045.91 = 1,665.96/x
3. Step 3: Cross multiply
   5,363.43x = 8,045.91 × 1,665.96
4. Step 4: Simplify right side
   5,363.43x = 13,404,164.22
5. Step 5: Solve for x
   x = 13,404,164.22/5,363.43
6. Step 6: Final answer
   x = 2,499.18