Finding the Fourth Proportional to 14,234.56, 19,642.98 and 7,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,234.56 : 19,642.98 = 7,945.72 : x
2. Step 2: Convert to fraction form
   14,234.56/19,642.98 = 7,945.72/x
3. Step 3: Cross multiply
   14,234.56x = 19,642.98 × 7,945.72
4. Step 4: Simplify right side
   14,234.56x = 156,077,619.05
5. Step 5: Solve for x
   x = 156,077,619.05/14,234.56
6. Step 6: Final answer
   x = 10,964.70