Finding the Fourth Proportional to 12,732.37, 19,086.14 and 5,339.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.37 : 19,086.14 = 5,339.05 : x
2. Step 2: Convert to fraction form
   12,732.37/19,086.14 = 5,339.05/x
3. Step 3: Cross multiply
   12,732.37x = 19,086.14 × 5,339.05
4. Step 4: Simplify right side
   12,732.37x = 101,901,829.07
5. Step 5: Solve for x
   x = 101,901,829.07/12,732.37
6. Step 6: Final answer
   x = 8,003.37