Finding the Fourth Proportional to 3,147.62, 4,720.94 and 1,146.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,147.62 : 4,720.94 = 1,146.10 : x
2. Step 2: Convert to fraction form
   3,147.62/4,720.94 = 1,146.10/x
3. Step 3: Cross multiply
   3,147.62x = 4,720.94 × 1,146.10
4. Step 4: Simplify right side
   3,147.62x = 5,410,669.33
5. Step 5: Solve for x
   x = 5,410,669.33/3,147.62
6. Step 6: Final answer
   x = 1,718.97