Finding the Fourth Proportional to 12,061.19, 18,079.77 and 5,819.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.19 : 18,079.77 = 5,819.42 : x
2. Step 2: Convert to fraction form
   12,061.19/18,079.77 = 5,819.42/x
3. Step 3: Cross multiply
   12,061.19x = 18,079.77 × 5,819.42
4. Step 4: Simplify right side
   12,061.19x = 105,213,775.13
5. Step 5: Solve for x
   x = 105,213,775.13/12,061.19
6. Step 6: Final answer
   x = 8,723.33