Finding the Fourth Proportional to 13,951.72, 19,254.58 and 7,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,951.72 : 19,254.58 = 7,665.30 : x
2. Step 2: Convert to fraction form
   13,951.72/19,254.58 = 7,665.30/x
3. Step 3: Cross multiply
   13,951.72x = 19,254.58 × 7,665.30
4. Step 4: Simplify right side
   13,951.72x = 147,592,132.07
5. Step 5: Solve for x
   x = 147,592,132.07/13,951.72
6. Step 6: Final answer
   x = 10,578.78