Finding the Fourth Proportional to 2,365.51, 3,549.47 and 1,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.51 : 3,549.47 = 1,066.69 : x
2. Step 2: Convert to fraction form
   2,365.51/3,549.47 = 1,066.69/x
3. Step 3: Cross multiply
   2,365.51x = 3,549.47 × 1,066.69
4. Step 4: Simplify right side
   2,365.51x = 3,786,184.15
5. Step 5: Solve for x
   x = 3,786,184.15/2,365.51
6. Step 6: Final answer
   x = 1,600.58