Finding the Fourth Proportional to 1,525.43, 2,287.37 and 745.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.43 : 2,287.37 = 745.49 : x
2. Step 2: Convert to fraction form
   1,525.43/2,287.37 = 745.49/x
3. Step 3: Cross multiply
   1,525.43x = 2,287.37 × 745.49
4. Step 4: Simplify right side
   1,525.43x = 1,705,201.89
5. Step 5: Solve for x
   x = 1,705,201.89/1,525.43
6. Step 6: Final answer
   x = 1,117.85