Finding the Fourth Proportional to 14,002.67, 19,323.77 and 7,715.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,002.67 : 19,323.77 = 7,715.05 : x
2. Step 2: Convert to fraction form
   14,002.67/19,323.77 = 7,715.05/x
3. Step 3: Cross multiply
   14,002.67x = 19,323.77 × 7,715.05
4. Step 4: Simplify right side
   14,002.67x = 149,083,764.85
5. Step 5: Solve for x
   x = 149,083,764.85/14,002.67
6. Step 6: Final answer
   x = 10,646.81