Finding the Fourth Proportional to 22,474.32, 31,014.72 and 12,403.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,474.32 : 31,014.72 = 12,403.12 : x
2. Step 2: Convert to fraction form
   22,474.32/31,014.72 = 12,403.12/x
3. Step 3: Cross multiply
   22,474.32x = 31,014.72 × 12,403.12
4. Step 4: Simplify right side
   22,474.32x = 384,679,293.93
5. Step 5: Solve for x
   x = 384,679,293.93/22,474.32
6. Step 6: Final answer
   x = 17,116.39