Finding the Fourth Proportional to 2,664.02, 3,996.23 and 1,942.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.02 : 3,996.23 = 1,942.31 : x
2. Step 2: Convert to fraction form
   2,664.02/3,996.23 = 1,942.31/x
3. Step 3: Cross multiply
   2,664.02x = 3,996.23 × 1,942.31
4. Step 4: Simplify right side
   2,664.02x = 7,761,887.80
5. Step 5: Solve for x
   x = 7,761,887.80/2,664.02
6. Step 6: Final answer
   x = 2,913.61