Finding the Fourth Proportional to 3,407.72, 5,108.82 and 1,066.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407.72 : 5,108.82 = 1,066.52 : x
2. Step 2: Convert to fraction form
   3,407.72/5,108.82 = 1,066.52/x
3. Step 3: Cross multiply
   3,407.72x = 5,108.82 × 1,066.52
4. Step 4: Simplify right side
   3,407.72x = 5,448,633.16
5. Step 5: Solve for x
   x = 5,448,633.16/3,407.72
6. Step 6: Final answer
   x = 1,598.91