Finding the Fourth Proportional to 2,571.42, 3,859.29 and 2,061.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.42 : 3,859.29 = 2,061.66 : x
2. Step 2: Convert to fraction form
   2,571.42/3,859.29 = 2,061.66/x
3. Step 3: Cross multiply
   2,571.42x = 3,859.29 × 2,061.66
4. Step 4: Simplify right side
   2,571.42x = 7,956,543.82
5. Step 5: Solve for x
   x = 7,956,543.82/2,571.42
6. Step 6: Final answer
   x = 3,094.22