Finding the Fourth Proportional to 12,196.59, 18,296.11 and 3,312.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.59 : 18,296.11 = 3,312.07 : x
2. Step 2: Convert to fraction form
   12,196.59/18,296.11 = 3,312.07/x
3. Step 3: Cross multiply
   12,196.59x = 18,296.11 × 3,312.07
4. Step 4: Simplify right side
   12,196.59x = 60,597,997.05
5. Step 5: Solve for x
   x = 60,597,997.05/12,196.59
6. Step 6: Final answer
   x = 4,968.44