Finding the Fourth Proportional to 13,952.72, 19,254.76 and 7,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,952.72 : 19,254.76 = 7,665.10 : x
2. Step 2: Convert to fraction form
   13,952.72/19,254.76 = 7,665.10/x
3. Step 3: Cross multiply
   13,952.72x = 19,254.76 × 7,665.10
4. Step 4: Simplify right side
   13,952.72x = 147,589,660.88
5. Step 5: Solve for x
   x = 147,589,660.88/13,952.72
6. Step 6: Final answer
   x = 10,577.84