Finding the Fourth Proportional to 14,780.69, 20,397.61 and 8,066.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,780.69 : 20,397.61 = 8,066.37 : x
2. Step 2: Convert to fraction form
   14,780.69/20,397.61 = 8,066.37/x
3. Step 3: Cross multiply
   14,780.69x = 20,397.61 × 8,066.37
4. Step 4: Simplify right side
   14,780.69x = 164,534,755.95
5. Step 5: Solve for x
   x = 164,534,755.95/14,780.69
6. Step 6: Final answer
   x = 11,131.74