Finding the Fourth Proportional to 3,663.34, 5,494.92 and 1,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.34 : 5,494.92 = 1,066.30 : x
2. Step 2: Convert to fraction form
   3,663.34/5,494.92 = 1,066.30/x
3. Step 3: Cross multiply
   3,663.34x = 5,494.92 × 1,066.30
4. Step 4: Simplify right side
   3,663.34x = 5,859,233.20
5. Step 5: Solve for x
   x = 5,859,233.20/3,663.34
6. Step 6: Final answer
   x = 1,599.42