Finding the Fourth Proportional to 2,546.88, 3,820.29 and 965.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.88 : 3,820.29 = 965.91 : x
2. Step 2: Convert to fraction form
   2,546.88/3,820.29 = 965.91/x
3. Step 3: Cross multiply
   2,546.88x = 3,820.29 × 965.91
4. Step 4: Simplify right side
   2,546.88x = 3,690,056.31
5. Step 5: Solve for x
   x = 3,690,056.31/2,546.88
6. Step 6: Final answer
   x = 1,448.85