Finding the Fourth Proportional to 16,079.60, 22,191.03 and 9,707.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,079.60 : 22,191.03 = 9,707.76 : x
2. Step 2: Convert to fraction form
   16,079.60/22,191.03 = 9,707.76/x
3. Step 3: Cross multiply
   16,079.60x = 22,191.03 × 9,707.76
4. Step 4: Simplify right side
   16,079.60x = 215,425,144.85
5. Step 5: Solve for x
   x = 215,425,144.85/16,079.60
6. Step 6: Final answer
   x = 13,397.42