Finding the Fourth Proportional to 12,304.28, 16,978.37 and 6,926.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,304.28 : 16,978.37 = 6,926.05 : x
2. Step 2: Convert to fraction form
   12,304.28/16,978.37 = 6,926.05/x
3. Step 3: Cross multiply
   12,304.28x = 16,978.37 × 6,926.05
4. Step 4: Simplify right side
   12,304.28x = 117,592,962.46
5. Step 5: Solve for x
   x = 117,592,962.46/12,304.28
6. Step 6: Final answer
   x = 9,557.08