Finding the Fourth Proportional to 12,049.62, 18,074.56 and 5,030.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,049.62 : 18,074.56 = 5,030.70 : x
2. Step 2: Convert to fraction form
   12,049.62/18,074.56 = 5,030.70/x
3. Step 3: Cross multiply
   12,049.62x = 18,074.56 × 5,030.70
4. Step 4: Simplify right side
   12,049.62x = 90,927,676.42
5. Step 5: Solve for x
   x = 90,927,676.42/12,049.62
6. Step 6: Final answer
   x = 7,546.10