Finding the Fourth Proportional to 12,980.88, 19,465.56 and 8,050.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.88 : 19,465.56 = 8,050.32 : x
2. Step 2: Convert to fraction form
   12,980.88/19,465.56 = 8,050.32/x
3. Step 3: Cross multiply
   12,980.88x = 19,465.56 × 8,050.32
4. Step 4: Simplify right side
   12,980.88x = 156,703,986.98
5. Step 5: Solve for x
   x = 156,703,986.98/12,980.88
6. Step 6: Final answer
   x = 12,071.91