Finding the Fourth Proportional to 7,245.86, 10,872.83 and 3,914.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,245.86 : 10,872.83 = 3,914.04 : x
2. Step 2: Convert to fraction form
   7,245.86/10,872.83 = 3,914.04/x
3. Step 3: Cross multiply
   7,245.86x = 10,872.83 × 3,914.04
4. Step 4: Simplify right side
   7,245.86x = 42,556,671.96
5. Step 5: Solve for x
   x = 42,556,671.96/7,245.86
6. Step 6: Final answer
   x = 5,873.24