Finding the Fourth Proportional to 7,854.89, 10,839.83 and 4,318.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.89 : 10,839.83 = 4,318.07 : x
2. Step 2: Convert to fraction form
   7,854.89/10,839.83 = 4,318.07/x
3. Step 3: Cross multiply
   7,854.89x = 10,839.83 × 4,318.07
4. Step 4: Simplify right side
   7,854.89x = 46,807,068.94
5. Step 5: Solve for x
   x = 46,807,068.94/7,854.89
6. Step 6: Final answer
   x = 5,958.98