Finding the Fourth Proportional to 14,112.53, 19,475.24 and 7,739.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,112.53 : 19,475.24 = 7,739.15 : x
2. Step 2: Convert to fraction form
   14,112.53/19,475.24 = 7,739.15/x
3. Step 3: Cross multiply
   14,112.53x = 19,475.24 × 7,739.15
4. Step 4: Simplify right side
   14,112.53x = 150,721,667.57
5. Step 5: Solve for x
   x = 150,721,667.57/14,112.53
6. Step 6: Final answer
   x = 10,679.99