Finding the Fourth Proportional to 1,970.72, 2,723.51 and 1,616.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.72 : 2,723.51 = 1,616.09 : x
2. Step 2: Convert to fraction form
   1,970.72/2,723.51 = 1,616.09/x
3. Step 3: Cross multiply
   1,970.72x = 2,723.51 × 1,616.09
4. Step 4: Simplify right side
   1,970.72x = 4,401,415.58
5. Step 5: Solve for x
   x = 4,401,415.58/1,970.72
6. Step 6: Final answer
   x = 2,233.41