Finding the Fourth Proportional to 6,810.76, 9,391.67 and 5,392.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,810.76 : 9,391.67 = 5,392.15 : x
2. Step 2: Convert to fraction form
   6,810.76/9,391.67 = 5,392.15/x
3. Step 3: Cross multiply
   6,810.76x = 9,391.67 × 5,392.15
4. Step 4: Simplify right side
   6,810.76x = 50,641,293.39
5. Step 5: Solve for x
   x = 50,641,293.39/6,810.76
6. Step 6: Final answer
   x = 7,435.48