Finding the Fourth Proportional to 22,474.16, 31,016.10 and 12,404.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,474.16 : 31,016.10 = 12,404.60 : x
2. Step 2: Convert to fraction form
   22,474.16/31,016.10 = 12,404.60/x
3. Step 3: Cross multiply
   22,474.16x = 31,016.10 × 12,404.60
4. Step 4: Simplify right side
   22,474.16x = 384,742,314.06
5. Step 5: Solve for x
   x = 384,742,314.06/22,474.16
6. Step 6: Final answer
   x = 17,119.32