Finding the Fourth Proportional to 12,151.08, 16,758.90 and 7,958.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,151.08 : 16,758.90 = 7,958.52 : x
2. Step 2: Convert to fraction form
   12,151.08/16,758.90 = 7,958.52/x
3. Step 3: Cross multiply
   12,151.08x = 16,758.90 × 7,958.52
4. Step 4: Simplify right side
   12,151.08x = 133,376,040.83
5. Step 5: Solve for x
   x = 133,376,040.83/12,151.08
6. Step 6: Final answer
   x = 10,976.48