Finding the Fourth Proportional to 2,659.31, 3,985.89 and 2,351.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.31 : 3,985.89 = 2,351.76 : x
2. Step 2: Convert to fraction form
   2,659.31/3,985.89 = 2,351.76/x
3. Step 3: Cross multiply
   2,659.31x = 3,985.89 × 2,351.76
4. Step 4: Simplify right side
   2,659.31x = 9,373,856.67
5. Step 5: Solve for x
   x = 9,373,856.67/2,659.31
6. Step 6: Final answer
   x = 3,524.93