Finding the Fourth Proportional to 14,047.72, 19,385.84 and 7,760.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,047.72 : 19,385.84 = 7,760.10 : x
2. Step 2: Convert to fraction form
   14,047.72/19,385.84 = 7,760.10/x
3. Step 3: Cross multiply
   14,047.72x = 19,385.84 × 7,760.10
4. Step 4: Simplify right side
   14,047.72x = 150,436,056.98
5. Step 5: Solve for x
   x = 150,436,056.98/14,047.72
6. Step 6: Final answer
   x = 10,708.93