Finding the Fourth Proportional to 3,150.50, 4,731.21 and 1,984.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.50 : 4,731.21 = 1,984.10 : x
2. Step 2: Convert to fraction form
   3,150.50/4,731.21 = 1,984.10/x
3. Step 3: Cross multiply
   3,150.50x = 4,731.21 × 1,984.10
4. Step 4: Simplify right side
   3,150.50x = 9,387,170.10
5. Step 5: Solve for x
   x = 9,387,170.10/3,150.50
6. Step 6: Final answer
   x = 2,979.59