Finding the Fourth Proportional to 7,872.62, 10,864.71 and 4,335.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872.62 : 10,864.71 = 4,335.83 : x
2. Step 2: Convert to fraction form
   7,872.62/10,864.71 = 4,335.83/x
3. Step 3: Cross multiply
   7,872.62x = 10,864.71 × 4,335.83
4. Step 4: Simplify right side
   7,872.62x = 47,107,562.72
5. Step 5: Solve for x
   x = 47,107,562.72/7,872.62
6. Step 6: Final answer
   x = 5,983.72