Finding the Fourth Proportional to 22,606.07, 31,196.39 and 12,534.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.07 : 31,196.39 = 12,534.63 : x
2. Step 2: Convert to fraction form
   22,606.07/31,196.39 = 12,534.63/x
3. Step 3: Cross multiply
   22,606.07x = 31,196.39 × 12,534.63
4. Step 4: Simplify right side
   22,606.07x = 391,035,143.31
5. Step 5: Solve for x
   x = 391,035,143.31/22,606.07
6. Step 6: Final answer
   x = 17,297.80