Finding the Fourth Proportional to 11,171.34, 16,731.49 and 5,332.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171.34 : 16,731.49 = 5,332.05 : x
2. Step 2: Convert to fraction form
   11,171.34/16,731.49 = 5,332.05/x
3. Step 3: Cross multiply
   11,171.34x = 16,731.49 × 5,332.05
4. Step 4: Simplify right side
   11,171.34x = 89,213,141.25
5. Step 5: Solve for x
   x = 89,213,141.25/11,171.34
6. Step 6: Final answer
   x = 7,985.89