Finding the Fourth Proportional to 14,003.15, 19,324.31 and 7,715.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.15 : 19,324.31 = 7,715.52 : x
2. Step 2: Convert to fraction form
   14,003.15/19,324.31 = 7,715.52/x
3. Step 3: Cross multiply
   14,003.15x = 19,324.31 × 7,715.52
4. Step 4: Simplify right side
   14,003.15x = 149,097,061.71
5. Step 5: Solve for x
   x = 149,097,061.71/14,003.15
6. Step 6: Final answer
   x = 10,647.40