Finding the Fourth Proportional to 12,950.69, 19,458.87 and 12,079.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,950.69 : 19,458.87 = 12,079.98 : x
2. Step 2: Convert to fraction form
   12,950.69/19,458.87 = 12,079.98/x
3. Step 3: Cross multiply
   12,950.69x = 19,458.87 × 12,079.98
4. Step 4: Simplify right side
   12,950.69x = 235,062,760.42
5. Step 5: Solve for x
   x = 235,062,760.42/12,950.69
6. Step 6: Final answer
   x = 18,150.60