Finding the Fourth Proportional to 2,529.42, 3,791.52 and 1,229.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.42 : 3,791.52 = 1,229.28 : x
2. Step 2: Convert to fraction form
   2,529.42/3,791.52 = 1,229.28/x
3. Step 3: Cross multiply
   2,529.42x = 3,791.52 × 1,229.28
4. Step 4: Simplify right side
   2,529.42x = 4,660,839.71
5. Step 5: Solve for x
   x = 4,660,839.71/2,529.42
6. Step 6: Final answer
   x = 1,842.65