Finding the Fourth Proportional to 3,663.39, 5,495.27 and 1,066.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.39 : 5,495.27 = 1,066.53 : x
2. Step 2: Convert to fraction form
   3,663.39/5,495.27 = 1,066.53/x
3. Step 3: Cross multiply
   3,663.39x = 5,495.27 × 1,066.53
4. Step 4: Simplify right side
   3,663.39x = 5,860,864.98
5. Step 5: Solve for x
   x = 5,860,864.98/3,663.39
6. Step 6: Final answer
   x = 1,599.85