Finding the Fourth Proportional to 10,451.07, 15,676.47 and 2,659.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,451.07 : 15,676.47 = 2,659.82 : x
2. Step 2: Convert to fraction form
   10,451.07/15,676.47 = 2,659.82/x
3. Step 3: Cross multiply
   10,451.07x = 15,676.47 × 2,659.82
4. Step 4: Simplify right side
   10,451.07x = 41,696,510.05
5. Step 5: Solve for x
   x = 41,696,510.05/10,451.07
6. Step 6: Final answer
   x = 3,989.69