Finding the Fourth Proportional to 1,665.05, 2,296.35 and 1,192.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.05 : 2,296.35 = 1,192.14 : x
2. Step 2: Convert to fraction form
   1,665.05/2,296.35 = 1,192.14/x
3. Step 3: Cross multiply
   1,665.05x = 2,296.35 × 1,192.14
4. Step 4: Simplify right side
   1,665.05x = 2,737,570.69
5. Step 5: Solve for x
   x = 2,737,570.69/1,665.05
6. Step 6: Final answer
   x = 1,644.14