Finding the Fourth Proportional to 14,048.64, 19,386.52 and 7,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,048.64 : 19,386.52 = 7,760.88 : x
2. Step 2: Convert to fraction form
   14,048.64/19,386.52 = 7,760.88/x
3. Step 3: Cross multiply
   14,048.64x = 19,386.52 × 7,760.88
4. Step 4: Simplify right side
   14,048.64x = 150,456,455.34
5. Step 5: Solve for x
   x = 150,456,455.34/14,048.64
6. Step 6: Final answer
   x = 10,709.68