Finding the Fourth Proportional to 6,880.43, 10,307.37 and 4,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,880.43 : 10,307.37 = 4,109.31 : x
2. Step 2: Convert to fraction form
   6,880.43/10,307.37 = 4,109.31/x
3. Step 3: Cross multiply
   6,880.43x = 10,307.37 × 4,109.31
4. Step 4: Simplify right side
   6,880.43x = 42,356,178.61
5. Step 5: Solve for x
   x = 42,356,178.61/6,880.43
6. Step 6: Final answer
   x = 6,156.04