Finding the Fourth Proportional to 12,196.04, 18,285.84 and 5,618.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.04 : 18,285.84 = 5,618.63 : x
2. Step 2: Convert to fraction form
   12,196.04/18,285.84 = 5,618.63/x
3. Step 3: Cross multiply
   12,196.04x = 18,285.84 × 5,618.63
4. Step 4: Simplify right side
   12,196.04x = 102,741,277.77
5. Step 5: Solve for x
   x = 102,741,277.77/12,196.04
6. Step 6: Final answer
   x = 8,424.15