Finding the Fourth Proportional to 3,635.72, 5,445.83 and 2,748.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.72 : 5,445.83 = 2,748.47 : x
2. Step 2: Convert to fraction form
   3,635.72/5,445.83 = 2,748.47/x
3. Step 3: Cross multiply
   3,635.72x = 5,445.83 × 2,748.47
4. Step 4: Simplify right side
   3,635.72x = 14,967,680.02
5. Step 5: Solve for x
   x = 14,967,680.02/3,635.72
6. Step 6: Final answer
   x = 4,116.84