Finding the Fourth Proportional to 2,952.72, 4,429.44 and 1,222.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.72 : 4,429.44 = 1,222.56 : x
2. Step 2: Convert to fraction form
   2,952.72/4,429.44 = 1,222.56/x
3. Step 3: Cross multiply
   2,952.72x = 4,429.44 × 1,222.56
4. Step 4: Simplify right side
   2,952.72x = 5,415,256.17
5. Step 5: Solve for x
   x = 5,415,256.17/2,952.72
6. Step 6: Final answer
   x = 1,833.99