Finding the Fourth Proportional to 13,320.76, 18,371.37 and 8,014.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320.76 : 18,371.37 = 8,014.59 : x
2. Step 2: Convert to fraction form
   13,320.76/18,371.37 = 8,014.59/x
3. Step 3: Cross multiply
   13,320.76x = 18,371.37 × 8,014.59
4. Step 4: Simplify right side
   13,320.76x = 147,238,922.31
5. Step 5: Solve for x
   x = 147,238,922.31/13,320.76
6. Step 6: Final answer
   x = 11,053.34