Finding the Fourth Proportional to 1,665.04, 2,296.68 and 1,042.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.04 : 2,296.68 = 1,042.96 : x
2. Step 2: Convert to fraction form
   1,665.04/2,296.68 = 1,042.96/x
3. Step 3: Cross multiply
   1,665.04x = 2,296.68 × 1,042.96
4. Step 4: Simplify right side
   1,665.04x = 2,395,345.37
5. Step 5: Solve for x
   x = 2,395,345.37/1,665.04
6. Step 6: Final answer
   x = 1,438.61