Finding the Fourth Proportional to 3,663.99, 5,495.56 and 1,066.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.99 : 5,495.56 = 1,066.93 : x
2. Step 2: Convert to fraction form
   3,663.99/5,495.56 = 1,066.93/x
3. Step 3: Cross multiply
   3,663.99x = 5,495.56 × 1,066.93
4. Step 4: Simplify right side
   3,663.99x = 5,863,377.83
5. Step 5: Solve for x
   x = 5,863,377.83/3,663.99
6. Step 6: Final answer
   x = 1,600.27