Finding the Fourth Proportional to 13,065.39, 18,030.86 and 8,029.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065.39 : 18,030.86 = 8,029.82 : x
2. Step 2: Convert to fraction form
   13,065.39/18,030.86 = 8,029.82/x
3. Step 3: Cross multiply
   13,065.39x = 18,030.86 × 8,029.82
4. Step 4: Simplify right side
   13,065.39x = 144,784,560.25
5. Step 5: Solve for x
   x = 144,784,560.25/13,065.39
6. Step 6: Final answer
   x = 11,081.53