Finding the Fourth Proportional to 9,428.08, 14,141.68 and 3,880.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.08 : 14,141.68 = 3,880.04 : x
2. Step 2: Convert to fraction form
   9,428.08/14,141.68 = 3,880.04/x
3. Step 3: Cross multiply
   9,428.08x = 14,141.68 × 3,880.04
4. Step 4: Simplify right side
   9,428.08x = 54,870,284.07
5. Step 5: Solve for x
   x = 54,870,284.07/9,428.08
6. Step 6: Final answer
   x = 5,819.88