Finding the Fourth Proportional to 7,878.28, 10,872.06 and 4,341.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878.28 : 10,872.06 = 4,341.46 : x
2. Step 2: Convert to fraction form
   7,878.28/10,872.06 = 4,341.46/x
3. Step 3: Cross multiply
   7,878.28x = 10,872.06 × 4,341.46
4. Step 4: Simplify right side
   7,878.28x = 47,200,613.61
5. Step 5: Solve for x
   x = 47,200,613.61/7,878.28
6. Step 6: Final answer
   x = 5,991.23