Finding the Fourth Proportional to 12,253, 18,386.88 and 4,462.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,253 : 18,386.88 = 4,462.42 : x
2. Step 2: Convert to fraction form
   12,253/18,386.88 = 4,462.42/x
3. Step 3: Cross multiply
   12,253x = 18,386.88 × 4,462.42
4. Step 4: Simplify right side
   12,253x = 82,049,981.05
5. Step 5: Solve for x
   x = 82,049,981.05/12,253
6. Step 6: Final answer
   x = 6,696.32