Finding the Fourth Proportional to 10,810.94, 16,187.10 and 5,605.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.94 : 16,187.10 = 5,605.88 : x
2. Step 2: Convert to fraction form
   10,810.94/16,187.10 = 5,605.88/x
3. Step 3: Cross multiply
   10,810.94x = 16,187.10 × 5,605.88
4. Step 4: Simplify right side
   10,810.94x = 90,742,940.15
5. Step 5: Solve for x
   x = 90,742,940.15/10,810.94
6. Step 6: Final answer
   x = 8,393.62