Finding the Fourth Proportional to 14,003.50, 19,324.89 and 7,715.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.50 : 19,324.89 = 7,715.74 : x
2. Step 2: Convert to fraction form
   14,003.50/19,324.89 = 7,715.74/x
3. Step 3: Cross multiply
   14,003.50x = 19,324.89 × 7,715.74
4. Step 4: Simplify right side
   14,003.50x = 149,105,826.77
5. Step 5: Solve for x
   x = 149,105,826.77/14,003.50
6. Step 6: Final answer
   x = 10,647.75