Finding the Fourth Proportional to 2,099.89, 3,143.75 and 1,582.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.89 : 3,143.75 = 1,582.07 : x
2. Step 2: Convert to fraction form
   2,099.89/3,143.75 = 1,582.07/x
3. Step 3: Cross multiply
   2,099.89x = 3,143.75 × 1,582.07
4. Step 4: Simplify right side
   2,099.89x = 4,973,644.38
5. Step 5: Solve for x
   x = 4,973,644.38/2,099.89
6. Step 6: Final answer
   x = 2,368.53