Finding the Fourth Proportional to 14,340.56, 19,789.28 and 7,967.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,340.56 : 19,789.28 = 7,967.55 : x
2. Step 2: Convert to fraction form
   14,340.56/19,789.28 = 7,967.55/x
3. Step 3: Cross multiply
   14,340.56x = 19,789.28 × 7,967.55
4. Step 4: Simplify right side
   14,340.56x = 157,672,038.03
5. Step 5: Solve for x
   x = 157,672,038.03/14,340.56
6. Step 6: Final answer
   x = 10,994.84