Finding the Fourth Proportional to 22,484.46, 31,028.68 and 12,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.46 : 31,028.68 = 12,412.72 : x
2. Step 2: Convert to fraction form
   22,484.46/31,028.68 = 12,412.72/x
3. Step 3: Cross multiply
   22,484.46x = 31,028.68 × 12,412.72
4. Step 4: Simplify right side
   22,484.46x = 385,150,316.81
5. Step 5: Solve for x
   x = 385,150,316.81/22,484.46
6. Step 6: Final answer
   x = 17,129.62