Finding the Fourth Proportional to 2,071.51, 3,103.34 and 961.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.51 : 3,103.34 = 961.84 : x
2. Step 2: Convert to fraction form
   2,071.51/3,103.34 = 961.84/x
3. Step 3: Cross multiply
   2,071.51x = 3,103.34 × 961.84
4. Step 4: Simplify right side
   2,071.51x = 2,984,916.55
5. Step 5: Solve for x
   x = 2,984,916.55/2,071.51
6. Step 6: Final answer
   x = 1,440.94