Finding the Fourth Proportional to 13,499.52, 18,631.39 and 8,193.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.52 : 18,631.39 = 8,193.31 : x
2. Step 2: Convert to fraction form
   13,499.52/18,631.39 = 8,193.31/x
3. Step 3: Cross multiply
   13,499.52x = 18,631.39 × 8,193.31
4. Step 4: Simplify right side
   13,499.52x = 152,652,754.00
5. Step 5: Solve for x
   x = 152,652,754.00/13,499.52
6. Step 6: Final answer
   x = 11,308.01