Finding the Fourth Proportional to 1,644.56, 2,453.34 and 1,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644.56 : 2,453.34 = 1,526.72 : x
2. Step 2: Convert to fraction form
   1,644.56/2,453.34 = 1,526.72/x
3. Step 3: Cross multiply
   1,644.56x = 2,453.34 × 1,526.72
4. Step 4: Simplify right side
   1,644.56x = 3,745,563.24
5. Step 5: Solve for x
   x = 3,745,563.24/1,644.56
6. Step 6: Final answer
   x = 2,277.55