Finding the Fourth Proportional to 13,132.88, 19,703.98 and 8,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,132.88 : 19,703.98 = 8,072.82 : x
2. Step 2: Convert to fraction form
   13,132.88/19,703.98 = 8,072.82/x
3. Step 3: Cross multiply
   13,132.88x = 19,703.98 × 8,072.82
4. Step 4: Simplify right side
   13,132.88x = 159,066,683.82
5. Step 5: Solve for x
   x = 159,066,683.82/13,132.88
6. Step 6: Final answer
   x = 12,112.09