Finding the Fourth Proportional to 2,701.72, 3,728.55 and 1,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,701.72 : 3,728.55 = 1,522.72 : x
2. Step 2: Convert to fraction form
   2,701.72/3,728.55 = 1,522.72/x
3. Step 3: Cross multiply
   2,701.72x = 3,728.55 × 1,522.72
4. Step 4: Simplify right side
   2,701.72x = 5,677,537.66
5. Step 5: Solve for x
   x = 5,677,537.66/2,701.72
6. Step 6: Final answer
   x = 2,101.45