Finding the Fourth Proportional to 10,757.68, 16,124.39 and 5,477.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757.68 : 16,124.39 = 5,477.86 : x
2. Step 2: Convert to fraction form
   10,757.68/16,124.39 = 5,477.86/x
3. Step 3: Cross multiply
   10,757.68x = 16,124.39 × 5,477.86
4. Step 4: Simplify right side
   10,757.68x = 88,327,151.01
5. Step 5: Solve for x
   x = 88,327,151.01/10,757.68
6. Step 6: Final answer
   x = 8,210.61