Finding the Fourth Proportional to 3,328.61, 4,997.16 and 2,101.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328.61 : 4,997.16 = 2,101.16 : x
2. Step 2: Convert to fraction form
   3,328.61/4,997.16 = 2,101.16/x
3. Step 3: Cross multiply
   3,328.61x = 4,997.16 × 2,101.16
4. Step 4: Simplify right side
   3,328.61x = 10,499,807.72
5. Step 5: Solve for x
   x = 10,499,807.72/3,328.61
6. Step 6: Final answer
   x = 3,154.42