Finding the Fourth Proportional to 1,981.10, 2,968.52 and 1,609.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.10 : 2,968.52 = 1,609.09 : x
2. Step 2: Convert to fraction form
   1,981.10/2,968.52 = 1,609.09/x
3. Step 3: Cross multiply
   1,981.10x = 2,968.52 × 1,609.09
4. Step 4: Simplify right side
   1,981.10x = 4,776,615.85
5. Step 5: Solve for x
   x = 4,776,615.85/1,981.10
6. Step 6: Final answer
   x = 2,411.09