Finding the Fourth Proportional to 9,957.14, 14,926.42 and 3,378.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,957.14 : 14,926.42 = 3,378.72 : x
2. Step 2: Convert to fraction form
   9,957.14/14,926.42 = 3,378.72/x
3. Step 3: Cross multiply
   9,957.14x = 14,926.42 × 3,378.72
4. Step 4: Simplify right side
   9,957.14x = 50,432,193.78
5. Step 5: Solve for x
   x = 50,432,193.78/9,957.14
6. Step 6: Final answer
   x = 5,064.93