Finding the Fourth Proportional to 12,981.88, 19,467.06 and 8,051.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.88 : 19,467.06 = 8,051.32 : x
2. Step 2: Convert to fraction form
   12,981.88/19,467.06 = 8,051.32/x
3. Step 3: Cross multiply
   12,981.88x = 19,467.06 × 8,051.32
4. Step 4: Simplify right side
   12,981.88x = 156,735,529.52
5. Step 5: Solve for x
   x = 156,735,529.52/12,981.88
6. Step 6: Final answer
   x = 12,073.41