Finding the Fourth Proportional to 3,542.72, 5,314.56 and 3,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542.72 : 5,314.56 = 3,326.72 : x
2. Step 2: Convert to fraction form
   3,542.72/5,314.56 = 3,326.72/x
3. Step 3: Cross multiply
   3,542.72x = 5,314.56 × 3,326.72
4. Step 4: Simplify right side
   3,542.72x = 17,680,053.04
5. Step 5: Solve for x
   x = 17,680,053.04/3,542.72
6. Step 6: Final answer
   x = 4,990.53