Finding the Fourth Proportional to 2,972.52, 4,458.81 and 1,329.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,972.52 : 4,458.81 = 1,329.15 : x
2. Step 2: Convert to fraction form
   2,972.52/4,458.81 = 1,329.15/x
3. Step 3: Cross multiply
   2,972.52x = 4,458.81 × 1,329.15
4. Step 4: Simplify right side
   2,972.52x = 5,926,427.31
5. Step 5: Solve for x
   x = 5,926,427.31/2,972.52
6. Step 6: Final answer
   x = 1,993.74