Finding the Fourth Proportional to 2,423.94, 3,638.18 and 1,192.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.94 : 3,638.18 = 1,192.23 : x
2. Step 2: Convert to fraction form
   2,423.94/3,638.18 = 1,192.23/x
3. Step 3: Cross multiply
   2,423.94x = 3,638.18 × 1,192.23
4. Step 4: Simplify right side
   2,423.94x = 4,337,547.34
5. Step 5: Solve for x
   x = 4,337,547.34/2,423.94
6. Step 6: Final answer
   x = 1,789.46