Finding the Fourth Proportional to 2,467.72, 3,701.82 and 928.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467.72 : 3,701.82 = 928.72 : x
2. Step 2: Convert to fraction form
   2,467.72/3,701.82 = 928.72/x
3. Step 3: Cross multiply
   2,467.72x = 3,701.82 × 928.72
4. Step 4: Simplify right side
   2,467.72x = 3,437,954.27
5. Step 5: Solve for x
   x = 3,437,954.27/2,467.72
6. Step 6: Final answer
   x = 1,393.17