Finding the Fourth Proportional to 22,515.51, 31,071.83 and 12,444.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,515.51 : 31,071.83 = 12,444.51 : x
2. Step 2: Convert to fraction form
   22,515.51/31,071.83 = 12,444.51/x
3. Step 3: Cross multiply
   22,515.51x = 31,071.83 × 12,444.51
4. Step 4: Simplify right side
   22,515.51x = 386,673,636.93
5. Step 5: Solve for x
   x = 386,673,636.93/22,515.51
6. Step 6: Final answer
   x = 17,173.66