Finding the Fourth Proportional to 19,248.72, 28,874.72 and 5,397.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,248.72 : 28,874.72 = 5,397.72 : x
2. Step 2: Convert to fraction form
   19,248.72/28,874.72 = 5,397.72/x
3. Step 3: Cross multiply
   19,248.72x = 28,874.72 × 5,397.72
4. Step 4: Simplify right side
   19,248.72x = 155,857,653.64
5. Step 5: Solve for x
   x = 155,857,653.64/19,248.72
6. Step 6: Final answer
   x = 8,097.04