Finding the Fourth Proportional to 14,047.89, 19,386.06 and 7,760.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,047.89 : 19,386.06 = 7,760.25 : x
2. Step 2: Convert to fraction form
   14,047.89/19,386.06 = 7,760.25/x
3. Step 3: Cross multiply
   14,047.89x = 19,386.06 × 7,760.25
4. Step 4: Simplify right side
   14,047.89x = 150,440,672.12
5. Step 5: Solve for x
   x = 150,440,672.12/14,047.89
6. Step 6: Final answer
   x = 10,709.13