Finding the Fourth Proportional to 7,872.84, 10,864.52 and 4,336.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872.84 : 10,864.52 = 4,336.05 : x
2. Step 2: Convert to fraction form
   7,872.84/10,864.52 = 4,336.05/x
3. Step 3: Cross multiply
   7,872.84x = 10,864.52 × 4,336.05
4. Step 4: Simplify right side
   7,872.84x = 47,109,137.27
5. Step 5: Solve for x
   x = 47,109,137.27/7,872.84
6. Step 6: Final answer
   x = 5,983.75