Finding the Fourth Proportional to 2,002.72, 3,001.52 and 1,029.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.72 : 3,001.52 = 1,029.28 : x
2. Step 2: Convert to fraction form
   2,002.72/3,001.52 = 1,029.28/x
3. Step 3: Cross multiply
   2,002.72x = 3,001.52 × 1,029.28
4. Step 4: Simplify right side
   2,002.72x = 3,089,404.51
5. Step 5: Solve for x
   x = 3,089,404.51/2,002.72
6. Step 6: Final answer
   x = 1,542.60