Finding the Fourth Proportional to 22,096.75, 30,493.52 and 12,670.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,096.75 : 30,493.52 = 12,670.78 : x
2. Step 2: Convert to fraction form
   22,096.75/30,493.52 = 12,670.78/x
3. Step 3: Cross multiply
   22,096.75x = 30,493.52 × 12,670.78
4. Step 4: Simplify right side
   22,096.75x = 386,376,683.35
5. Step 5: Solve for x
   x = 386,376,683.35/22,096.75
6. Step 6: Final answer
   x = 17,485.68