Finding the Fourth Proportional to 2,505.37, 3,752.58 and 1,528.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.37 : 3,752.58 = 1,528.51 : x
2. Step 2: Convert to fraction form
   2,505.37/3,752.58 = 1,528.51/x
3. Step 3: Cross multiply
   2,505.37x = 3,752.58 × 1,528.51
4. Step 4: Simplify right side
   2,505.37x = 5,735,837.29
5. Step 5: Solve for x
   x = 5,735,837.29/2,505.37
6. Step 6: Final answer
   x = 2,289.42