Finding the Fourth Proportional to 10,756.68, 16,100.30 and 5,555.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.68 : 16,100.30 = 5,555.40 : x
2. Step 2: Convert to fraction form
   10,756.68/16,100.30 = 5,555.40/x
3. Step 3: Cross multiply
   10,756.68x = 16,100.30 × 5,555.40
4. Step 4: Simplify right side
   10,756.68x = 89,443,606.62
5. Step 5: Solve for x
   x = 89,443,606.62/10,756.68
6. Step 6: Final answer
   x = 8,315.17