Finding the Fourth Proportional to 9,404.40, 14,107.18 and 2,478.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.40 : 14,107.18 = 2,478.90 : x
2. Step 2: Convert to fraction form
   9,404.40/14,107.18 = 2,478.90/x
3. Step 3: Cross multiply
   9,404.40x = 14,107.18 × 2,478.90
4. Step 4: Simplify right side
   9,404.40x = 34,970,288.50
5. Step 5: Solve for x
   x = 34,970,288.50/9,404.40
6. Step 6: Final answer
   x = 3,718.50