Finding the Fourth Proportional to 38,491.98, 57,739.59 and 12,196.14

Step by Step Solution

1. Step 1: Write the proportion equation
   38,491.98 : 57,739.59 = 12,196.14 : x
2. Step 2: Convert to fraction form
   38,491.98/57,739.59 = 12,196.14/x
3. Step 3: Cross multiply
   38,491.98x = 57,739.59 × 12,196.14
4. Step 4: Simplify right side
   38,491.98x = 704,200,123.18
5. Step 5: Solve for x
   x = 704,200,123.18/38,491.98
6. Step 6: Final answer
   x = 18,294.72