Finding the Fourth Proportional to 14,047.48, 19,386.30 and 7,759.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,047.48 : 19,386.30 = 7,759.72 : x
2. Step 2: Convert to fraction form
   14,047.48/19,386.30 = 7,759.72/x
3. Step 3: Cross multiply
   14,047.48x = 19,386.30 × 7,759.72
4. Step 4: Simplify right side
   14,047.48x = 150,432,259.84
5. Step 5: Solve for x
   x = 150,432,259.84/14,047.48
6. Step 6: Final answer
   x = 10,708.84