Finding the Fourth Proportional to 2,529.72, 3,791.34 and 1,066.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.72 : 3,791.34 = 1,066.86 : x
2. Step 2: Convert to fraction form
   2,529.72/3,791.34 = 1,066.86/x
3. Step 3: Cross multiply
   2,529.72x = 3,791.34 × 1,066.86
4. Step 4: Simplify right side
   2,529.72x = 4,044,828.99
5. Step 5: Solve for x
   x = 4,044,828.99/2,529.72
6. Step 6: Final answer
   x = 1,598.92