Finding the Fourth Proportional to 12,414, 18,623.43 and 5,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,414 : 18,623.43 = 5,488.50 : x
2. Step 2: Convert to fraction form
   12,414/18,623.43 = 5,488.50/x
3. Step 3: Cross multiply
   12,414x = 18,623.43 × 5,488.50
4. Step 4: Simplify right side
   12,414x = 102,214,695.56
5. Step 5: Solve for x
   x = 102,214,695.56/12,414
6. Step 6: Final answer
   x = 8,233.82