Finding the Fourth Proportional to 10,754.56, 14,819.52 and 7,760.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,754.56 : 14,819.52 = 7,760.80 : x
2. Step 2: Convert to fraction form
   10,754.56/14,819.52 = 7,760.80/x
3. Step 3: Cross multiply
   10,754.56x = 14,819.52 × 7,760.80
4. Step 4: Simplify right side
   10,754.56x = 115,011,330.82
5. Step 5: Solve for x
   x = 115,011,330.82/10,754.56
6. Step 6: Final answer
   x = 10,694.19