Finding the Fourth Proportional to 3,680.18, 5,078.69 and 2,001.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.18 : 5,078.69 = 2,001.63 : x
2. Step 2: Convert to fraction form
   3,680.18/5,078.69 = 2,001.63/x
3. Step 3: Cross multiply
   3,680.18x = 5,078.69 × 2,001.63
4. Step 4: Simplify right side
   3,680.18x = 10,165,663.27
5. Step 5: Solve for x
   x = 10,165,663.27/3,680.18
6. Step 6: Final answer
   x = 2,762.28