Finding the Fourth Proportional to 3,663.69, 5,495.84 and 1,066.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.69 : 5,495.84 = 1,066.63 : x
2. Step 2: Convert to fraction form
   3,663.69/5,495.84 = 1,066.63/x
3. Step 3: Cross multiply
   3,663.69x = 5,495.84 × 1,066.63
4. Step 4: Simplify right side
   3,663.69x = 5,862,027.82
5. Step 5: Solve for x
   x = 5,862,027.82/3,663.69
6. Step 6: Final answer
   x = 1,600.03