Finding the Fourth Proportional to 22,475.54, 31,016.12 and 12,404.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.54 : 31,016.12 = 12,404.61 : x
2. Step 2: Convert to fraction form
   22,475.54/31,016.12 = 12,404.61/x
3. Step 3: Cross multiply
   22,475.54x = 31,016.12 × 12,404.61
4. Step 4: Simplify right side
   22,475.54x = 384,742,810.29
5. Step 5: Solve for x
   x = 384,742,810.29/22,475.54
6. Step 6: Final answer
   x = 17,118.29