Finding the Fourth Proportional to 10,314.24, 14,238.72 and 7,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.24 : 14,238.72 = 7,019.52 : x
2. Step 2: Convert to fraction form
   10,314.24/14,238.72 = 7,019.52/x
3. Step 3: Cross multiply
   10,314.24x = 14,238.72 × 7,019.52
4. Step 4: Simplify right side
   10,314.24x = 99,948,979.81
5. Step 5: Solve for x
   x = 99,948,979.81/10,314.24
6. Step 6: Final answer
   x = 9,690.39