Finding the Fourth Proportional to 2,185.42, 3,261.35 and 1,951.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.42 : 3,261.35 = 1,951.87 : x
2. Step 2: Convert to fraction form
   2,185.42/3,261.35 = 1,951.87/x
3. Step 3: Cross multiply
   2,185.42x = 3,261.35 × 1,951.87
4. Step 4: Simplify right side
   2,185.42x = 6,365,731.22
5. Step 5: Solve for x
   x = 6,365,731.22/2,185.42
6. Step 6: Final answer
   x = 2,912.82