Finding the Fourth Proportional to 2,060.61, 3,091.85 and 965.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.61 : 3,091.85 = 965.69 : x
2. Step 2: Convert to fraction form
   2,060.61/3,091.85 = 965.69/x
3. Step 3: Cross multiply
   2,060.61x = 3,091.85 × 965.69
4. Step 4: Simplify right side
   2,060.61x = 2,985,768.63
5. Step 5: Solve for x
   x = 2,985,768.63/2,060.61
6. Step 6: Final answer
   x = 1,448.97