Finding the Fourth Proportional to 10,780.86, 16,171.75 and 3,761.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.86 : 16,171.75 = 3,761.58 : x
2. Step 2: Convert to fraction form
   10,780.86/16,171.75 = 3,761.58/x
3. Step 3: Cross multiply
   10,780.86x = 16,171.75 × 3,761.58
4. Step 4: Simplify right side
   10,780.86x = 60,831,331.37
5. Step 5: Solve for x
   x = 60,831,331.37/10,780.86
6. Step 6: Final answer
   x = 5,642.53