Finding the Fourth Proportional to 7,819.20, 10,787.04 and 5,024.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,819.20 : 10,787.04 = 5,024.16 : x
2. Step 2: Convert to fraction form
   7,819.20/10,787.04 = 5,024.16/x
3. Step 3: Cross multiply
   7,819.20x = 10,787.04 × 5,024.16
4. Step 4: Simplify right side
   7,819.20x = 54,195,814.89
5. Step 5: Solve for x
   x = 54,195,814.89/7,819.20
6. Step 6: Final answer
   x = 6,931.12