Finding the Fourth Proportional to 22,475.48, 31,014.33 and 12,912.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.48 : 31,014.33 = 12,912.35 : x
2. Step 2: Convert to fraction form
   22,475.48/31,014.33 = 12,912.35/x
3. Step 3: Cross multiply
   22,475.48x = 31,014.33 × 12,912.35
4. Step 4: Simplify right side
   22,475.48x = 400,467,883.98
5. Step 5: Solve for x
   x = 400,467,883.98/22,475.48
6. Step 6: Final answer
   x = 17,817.99