Finding the Fourth Proportional to 2,974.34, 4,460.61 and 1,242.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.34 : 4,460.61 = 1,242.56 : x
2. Step 2: Convert to fraction form
   2,974.34/4,460.61 = 1,242.56/x
3. Step 3: Cross multiply
   2,974.34x = 4,460.61 × 1,242.56
4. Step 4: Simplify right side
   2,974.34x = 5,542,591.37
5. Step 5: Solve for x
   x = 5,542,591.37/2,974.34
6. Step 6: Final answer
   x = 1,863.47