Finding the Fourth Proportional to 8,081.34, 11,151.66 and 5,057.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.34 : 11,151.66 = 5,057.82 : x
2. Step 2: Convert to fraction form
   8,081.34/11,151.66 = 5,057.82/x
3. Step 3: Cross multiply
   8,081.34x = 11,151.66 × 5,057.82
4. Step 4: Simplify right side
   8,081.34x = 56,403,088.98
5. Step 5: Solve for x
   x = 56,403,088.98/8,081.34
6. Step 6: Final answer
   x = 6,979.42