Finding the Fourth Proportional to 12,763.32, 19,141.52 and 8,076.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.32 : 19,141.52 = 8,076.28 : x
2. Step 2: Convert to fraction form
   12,763.32/19,141.52 = 8,076.28/x
3. Step 3: Cross multiply
   12,763.32x = 19,141.52 × 8,076.28
4. Step 4: Simplify right side
   12,763.32x = 154,592,275.15
5. Step 5: Solve for x
   x = 154,592,275.15/12,763.32
6. Step 6: Final answer
   x = 12,112.23