Finding the Fourth Proportional to 1,969.72, 2,968.12 and 1,630.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.72 : 2,968.12 = 1,630.69 : x
2. Step 2: Convert to fraction form
   1,969.72/2,968.12 = 1,630.69/x
3. Step 3: Cross multiply
   1,969.72x = 2,968.12 × 1,630.69
4. Step 4: Simplify right side
   1,969.72x = 4,840,083.60
5. Step 5: Solve for x
   x = 4,840,083.60/1,969.72
6. Step 6: Final answer
   x = 2,457.24