Finding the Fourth Proportional to 22,845.36, 31,526.72 and 12,774.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,845.36 : 31,526.72 = 12,774.22 : x
2. Step 2: Convert to fraction form
   22,845.36/31,526.72 = 12,774.22/x
3. Step 3: Cross multiply
   22,845.36x = 31,526.72 × 12,774.22
4. Step 4: Simplify right side
   22,845.36x = 402,729,257.16
5. Step 5: Solve for x
   x = 402,729,257.16/22,845.36
6. Step 6: Final answer
   x = 17,628.49