Finding the Fourth Proportional to 13,019.14, 19,527.90 and 5,222.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.14 : 19,527.90 = 5,222.35 : x
2. Step 2: Convert to fraction form
   13,019.14/19,527.90 = 5,222.35/x
3. Step 3: Cross multiply
   13,019.14x = 19,527.90 × 5,222.35
4. Step 4: Simplify right side
   13,019.14x = 101,981,528.57
5. Step 5: Solve for x
   x = 101,981,528.57/13,019.14
6. Step 6: Final answer
   x = 7,833.20