Finding the Fourth Proportional to 10,371.28, 15,554.79 and 2,974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,371.28 : 15,554.79 = 2,974.10 : x
2. Step 2: Convert to fraction form
   10,371.28/15,554.79 = 2,974.10/x
3. Step 3: Cross multiply
   10,371.28x = 15,554.79 × 2,974.10
4. Step 4: Simplify right side
   10,371.28x = 46,261,500.94
5. Step 5: Solve for x
   x = 46,261,500.94/10,371.28
6. Step 6: Final answer
   x = 4,460.54