Finding the Fourth Proportional to 1,040.89, 1,436.43 and 575.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.89 : 1,436.43 = 575.14 : x
2. Step 2: Convert to fraction form
   1,040.89/1,436.43 = 575.14/x
3. Step 3: Cross multiply
   1,040.89x = 1,436.43 × 575.14
4. Step 4: Simplify right side
   1,040.89x = 826,148.35
5. Step 5: Solve for x
   x = 826,148.35/1,040.89
6. Step 6: Final answer
   x = 793.69