Finding the Fourth Proportional to 3,580.72, 4,933.52 and 2,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.72 : 4,933.52 = 2,680.72 : x
2. Step 2: Convert to fraction form
   3,580.72/4,933.52 = 2,680.72/x
3. Step 3: Cross multiply
   3,580.72x = 4,933.52 × 2,680.72
4. Step 4: Simplify right side
   3,580.72x = 13,225,385.73
5. Step 5: Solve for x
   x = 13,225,385.73/3,580.72
6. Step 6: Final answer
   x = 3,693.50