Finding the Fourth Proportional to 2,060.59, 3,090.86 and 965.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.59 : 3,090.86 = 965.72 : x
2. Step 2: Convert to fraction form
   2,060.59/3,090.86 = 965.72/x
3. Step 3: Cross multiply
   2,060.59x = 3,090.86 × 965.72
4. Step 4: Simplify right side
   2,060.59x = 2,984,911.84
5. Step 5: Solve for x
   x = 2,984,911.84/2,060.59
6. Step 6: Final answer
   x = 1,448.57