Finding the Fourth Proportional to 4,115.58, 5,682.15 and 3,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,115.58 : 5,682.15 = 3,672.72 : x
2. Step 2: Convert to fraction form
   4,115.58/5,682.15 = 3,672.72/x
3. Step 3: Cross multiply
   4,115.58x = 5,682.15 × 3,672.72
4. Step 4: Simplify right side
   4,115.58x = 20,868,945.95
5. Step 5: Solve for x
   x = 20,868,945.95/4,115.58
6. Step 6: Final answer
   x = 5,070.72