Finding the Fourth Proportional to 14,227.56, 19,633.32 and 7,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,227.56 : 19,633.32 = 7,938.72 : x
2. Step 2: Convert to fraction form
   14,227.56/19,633.32 = 7,938.72/x
3. Step 3: Cross multiply
   14,227.56x = 19,633.32 × 7,938.72
4. Step 4: Simplify right side
   14,227.56x = 155,863,430.15
5. Step 5: Solve for x
   x = 155,863,430.15/14,227.56
6. Step 6: Final answer
   x = 10,955.04