Finding the Fourth Proportional to 3,663.95, 5,496.83 and 1,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.95 : 5,496.83 = 1,066.88 : x
2. Step 2: Convert to fraction form
   3,663.95/5,496.83 = 1,066.88/x
3. Step 3: Cross multiply
   3,663.95x = 5,496.83 × 1,066.88
4. Step 4: Simplify right side
   3,663.95x = 5,864,425.17
5. Step 5: Solve for x
   x = 5,864,425.17/3,663.95
6. Step 6: Final answer
   x = 1,600.58