Finding the Fourth Proportional to 14,039.67, 19,373.89 and 7,665

Step by Step Solution

1. Step 1: Write the proportion equation
   14,039.67 : 19,373.89 = 7,665 : x
2. Step 2: Convert to fraction form
   14,039.67/19,373.89 = 7,665/x
3. Step 3: Cross multiply
   14,039.67x = 19,373.89 × 7,665
4. Step 4: Simplify right side
   14,039.67x = 148,500,866.85
5. Step 5: Solve for x
   x = 148,500,866.85/14,039.67
6. Step 6: Final answer
   x = 10,577.23