Finding the Fourth Proportional to 10,946.18, 16,422.17 and 3,926.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,946.18 : 16,422.17 = 3,926.88 : x
2. Step 2: Convert to fraction form
   10,946.18/16,422.17 = 3,926.88/x
3. Step 3: Cross multiply
   10,946.18x = 16,422.17 × 3,926.88
4. Step 4: Simplify right side
   10,946.18x = 64,487,871.30
5. Step 5: Solve for x
   x = 64,487,871.30/10,946.18
6. Step 6: Final answer
   x = 5,891.36