Finding the Fourth Proportional to 1,294.72, 1,942.40 and 1,066.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.72 : 1,942.40 = 1,066.24 : x
2. Step 2: Convert to fraction form
   1,294.72/1,942.40 = 1,066.24/x
3. Step 3: Cross multiply
   1,294.72x = 1,942.40 × 1,066.24
4. Step 4: Simplify right side
   1,294.72x = 2,071,064.58
5. Step 5: Solve for x
   x = 2,071,064.58/1,294.72
6. Step 6: Final answer
   x = 1,599.62