Finding the Fourth Proportional to 7,150.86, 9,864.78 and 4,318.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.86 : 9,864.78 = 4,318.34 : x
2. Step 2: Convert to fraction form
   7,150.86/9,864.78 = 4,318.34/x
3. Step 3: Cross multiply
   7,150.86x = 9,864.78 × 4,318.34
4. Step 4: Simplify right side
   7,150.86x = 42,599,474.07
5. Step 5: Solve for x
   x = 42,599,474.07/7,150.86
6. Step 6: Final answer
   x = 5,957.25