Finding the Fourth Proportional to 3,663.01, 5,487.89 and 3,081.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.01 : 5,487.89 = 3,081.63 : x
2. Step 2: Convert to fraction form
   3,663.01/5,487.89 = 3,081.63/x
3. Step 3: Cross multiply
   3,663.01x = 5,487.89 × 3,081.63
4. Step 4: Simplify right side
   3,663.01x = 16,911,646.46
5. Step 5: Solve for x
   x = 16,911,646.46/3,663.01
6. Step 6: Final answer
   x = 4,616.88