Finding the Fourth Proportional to 19,251.42, 28,874.31 and 5,212.26

Step by Step Solution

1. Step 1: Write the proportion equation
   19,251.42 : 28,874.31 = 5,212.26 : x
2. Step 2: Convert to fraction form
   19,251.42/28,874.31 = 5,212.26/x
3. Step 3: Cross multiply
   19,251.42x = 28,874.31 × 5,212.26
4. Step 4: Simplify right side
   19,251.42x = 150,500,411.04
5. Step 5: Solve for x
   x = 150,500,411.04/19,251.42
6. Step 6: Final answer
   x = 7,817.63