Finding the Fourth Proportional to 22,674.06, 31,285.35 and 13,238.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,674.06 : 31,285.35 = 13,238.34 : x
2. Step 2: Convert to fraction form
   22,674.06/31,285.35 = 13,238.34/x
3. Step 3: Cross multiply
   22,674.06x = 31,285.35 × 13,238.34
4. Step 4: Simplify right side
   22,674.06x = 414,166,100.32
5. Step 5: Solve for x
   x = 414,166,100.32/22,674.06
6. Step 6: Final answer
   x = 18,266.08