Finding the Fourth Proportional to 34,388.70, 51,581.82 and 12,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   34,388.70 : 51,581.82 = 12,196.74 : x
2. Step 2: Convert to fraction form
   34,388.70/51,581.82 = 12,196.74/x
3. Step 3: Cross multiply
   34,388.70x = 51,581.82 × 12,196.74
4. Step 4: Simplify right side
   34,388.70x = 629,130,047.27
5. Step 5: Solve for x
   x = 629,130,047.27/34,388.70
6. Step 6: Final answer
   x = 18,294.67