Finding the Fourth Proportional to 10,782.89, 16,170.35 and 3,761.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.89 : 16,170.35 = 3,761.13 : x
2. Step 2: Convert to fraction form
   10,782.89/16,170.35 = 3,761.13/x
3. Step 3: Cross multiply
   10,782.89x = 16,170.35 × 3,761.13
4. Step 4: Simplify right side
   10,782.89x = 60,818,769.69
5. Step 5: Solve for x
   x = 60,818,769.69/10,782.89
6. Step 6: Final answer
   x = 5,640.31