Finding the Fourth Proportional to 22,846.80, 31,529.28 and 12,774.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,846.80 : 31,529.28 = 12,774.96 : x
2. Step 2: Convert to fraction form
   22,846.80/31,529.28 = 12,774.96/x
3. Step 3: Cross multiply
   22,846.80x = 31,529.28 × 12,774.96
4. Step 4: Simplify right side
   22,846.80x = 402,785,290.83
5. Step 5: Solve for x
   x = 402,785,290.83/22,846.80
6. Step 6: Final answer
   x = 17,629.83