Finding the Fourth Proportional to 3,663.42, 5,495.22 and 1,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.42 : 5,495.22 = 1,066.56 : x
2. Step 2: Convert to fraction form
   3,663.42/5,495.22 = 1,066.56/x
3. Step 3: Cross multiply
   3,663.42x = 5,495.22 × 1,066.56
4. Step 4: Simplify right side
   3,663.42x = 5,860,981.84
5. Step 5: Solve for x
   x = 5,860,981.84/3,663.42
6. Step 6: Final answer
   x = 1,599.87