Finding the Fourth Proportional to 3,773.92, 5,661.48 and 3,513.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.92 : 5,661.48 = 3,513.04 : x
2. Step 2: Convert to fraction form
   3,773.92/5,661.48 = 3,513.04/x
3. Step 3: Cross multiply
   3,773.92x = 5,661.48 × 3,513.04
4. Step 4: Simplify right side
   3,773.92x = 19,889,005.70
5. Step 5: Solve for x
   x = 19,889,005.70/3,773.92
6. Step 6: Final answer
   x = 5,270.12