Finding the Fourth Proportional to 13,133.88, 19,705.48 and 8,073.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,133.88 : 19,705.48 = 8,073.82 : x
2. Step 2: Convert to fraction form
   13,133.88/19,705.48 = 8,073.82/x
3. Step 3: Cross multiply
   13,133.88x = 19,705.48 × 8,073.82
4. Step 4: Simplify right side
   13,133.88x = 159,098,498.53
5. Step 5: Solve for x
   x = 159,098,498.53/13,133.88
6. Step 6: Final answer
   x = 12,113.59