Finding the Fourth Proportional to 10,761.10, 16,139.76 and 2,968.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761.10 : 16,139.76 = 2,968.18 : x
2. Step 2: Convert to fraction form
   10,761.10/16,139.76 = 2,968.18/x
3. Step 3: Cross multiply
   10,761.10x = 16,139.76 × 2,968.18
4. Step 4: Simplify right side
   10,761.10x = 47,905,712.84
5. Step 5: Solve for x
   x = 47,905,712.84/10,761.10
6. Step 6: Final answer
   x = 4,451.75