Finding the Fourth Proportional to 3,639.96, 5,023.35 and 2,068.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639.96 : 5,023.35 = 2,068.38 : x
2. Step 2: Convert to fraction form
   3,639.96/5,023.35 = 2,068.38/x
3. Step 3: Cross multiply
   3,639.96x = 5,023.35 × 2,068.38
4. Step 4: Simplify right side
   3,639.96x = 10,390,196.67
5. Step 5: Solve for x
   x = 10,390,196.67/3,639.96
6. Step 6: Final answer
   x = 2,854.48