Finding the Fourth Proportional to 7,872.42, 10,863.81 and 4,335.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872.42 : 10,863.81 = 4,335.96 : x
2. Step 2: Convert to fraction form
   7,872.42/10,863.81 = 4,335.96/x
3. Step 3: Cross multiply
   7,872.42x = 10,863.81 × 4,335.96
4. Step 4: Simplify right side
   7,872.42x = 47,105,045.61
5. Step 5: Solve for x
   x = 47,105,045.61/7,872.42
6. Step 6: Final answer
   x = 5,983.55