Finding the Fourth Proportional to 2,426.06, 3,639.12 and 1,942.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.06 : 3,639.12 = 1,942.19 : x
2. Step 2: Convert to fraction form
   2,426.06/3,639.12 = 1,942.19/x
3. Step 3: Cross multiply
   2,426.06x = 3,639.12 × 1,942.19
4. Step 4: Simplify right side
   2,426.06x = 7,067,862.47
5. Step 5: Solve for x
   x = 7,067,862.47/2,426.06
6. Step 6: Final answer
   x = 2,913.31