Finding the Fourth Proportional to 10,018.35, 15,024.78 and 2,998.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.35 : 15,024.78 = 2,998.08 : x
2. Step 2: Convert to fraction form
   10,018.35/15,024.78 = 2,998.08/x
3. Step 3: Cross multiply
   10,018.35x = 15,024.78 × 2,998.08
4. Step 4: Simplify right side
   10,018.35x = 45,045,492.42
5. Step 5: Solve for x
   x = 45,045,492.42/10,018.35
6. Step 6: Final answer
   x = 4,496.30