Finding the Fourth Proportional to 12,030.89, 18,049.43 and 5,008.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,030.89 : 18,049.43 = 5,008.58 : x
2. Step 2: Convert to fraction form
   12,030.89/18,049.43 = 5,008.58/x
3. Step 3: Cross multiply
   12,030.89x = 18,049.43 × 5,008.58
4. Step 4: Simplify right side
   12,030.89x = 90,401,898.82
5. Step 5: Solve for x
   x = 90,401,898.82/12,030.89
6. Step 6: Final answer
   x = 7,514.15