Finding the Fourth Proportional to 7,875.50, 10,865.40 and 5,043.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,875.50 : 10,865.40 = 5,043.33 : x
2. Step 2: Convert to fraction form
   7,875.50/10,865.40 = 5,043.33/x
3. Step 3: Cross multiply
   7,875.50x = 10,865.40 × 5,043.33
4. Step 4: Simplify right side
   7,875.50x = 54,797,797.78
5. Step 5: Solve for x
   x = 54,797,797.78/7,875.50
6. Step 6: Final answer
   x = 6,958.01