Finding the Fourth Proportional to 10,780.56, 16,162.56 and 3,756.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.56 : 16,162.56 = 3,756.60 : x
2. Step 2: Convert to fraction form
   10,780.56/16,162.56 = 3,756.60/x
3. Step 3: Cross multiply
   10,780.56x = 16,162.56 × 3,756.60
4. Step 4: Simplify right side
   10,780.56x = 60,716,272.90
5. Step 5: Solve for x
   x = 60,716,272.90/10,780.56
6. Step 6: Final answer
   x = 5,632.01