Finding the Fourth Proportional to 12,981.72, 19,478.94 and 8,050.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.72 : 19,478.94 = 8,050.08 : x
2. Step 2: Convert to fraction form
   12,981.72/19,478.94 = 8,050.08/x
3. Step 3: Cross multiply
   12,981.72x = 19,478.94 × 8,050.08
4. Step 4: Simplify right side
   12,981.72x = 156,807,025.32
5. Step 5: Solve for x
   x = 156,807,025.32/12,981.72
6. Step 6: Final answer
   x = 12,079.06