Finding the Fourth Proportional to 2,060.61, 3,090.78 and 965.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.61 : 3,090.78 = 965.22 : x
2. Step 2: Convert to fraction form
   2,060.61/3,090.78 = 965.22/x
3. Step 3: Cross multiply
   2,060.61x = 3,090.78 × 965.22
4. Step 4: Simplify right side
   2,060.61x = 2,983,282.67
5. Step 5: Solve for x
   x = 2,983,282.67/2,060.61
6. Step 6: Final answer
   x = 1,447.77