Finding the Fourth Proportional to 10,017.34, 15,028.16 and 2,997.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.34 : 15,028.16 = 2,997.90 : x
2. Step 2: Convert to fraction form
   10,017.34/15,028.16 = 2,997.90/x
3. Step 3: Cross multiply
   10,017.34x = 15,028.16 × 2,997.90
4. Step 4: Simplify right side
   10,017.34x = 45,052,920.86
5. Step 5: Solve for x
   x = 45,052,920.86/10,017.34
6. Step 6: Final answer
   x = 4,497.49