Finding the Fourth Proportional to 22,570.34, 31,146.99 and 12,634.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570.34 : 31,146.99 = 12,634.34 : x
2. Step 2: Convert to fraction form
   22,570.34/31,146.99 = 12,634.34/x
3. Step 3: Cross multiply
   22,570.34x = 31,146.99 × 12,634.34
4. Step 4: Simplify right side
   22,570.34x = 393,521,661.64
5. Step 5: Solve for x
   x = 393,521,661.64/22,570.34
6. Step 6: Final answer
   x = 17,435.34