Finding the Fourth Proportional to 14,111.95, 19,474.70 and 7,739.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.95 : 19,474.70 = 7,739.12 : x
2. Step 2: Convert to fraction form
   14,111.95/19,474.70 = 7,739.12/x
3. Step 3: Cross multiply
   14,111.95x = 19,474.70 × 7,739.12
4. Step 4: Simplify right side
   14,111.95x = 150,717,040.26
5. Step 5: Solve for x
   x = 150,717,040.26/14,111.95
6. Step 6: Final answer
   x = 10,680.10