Finding the Fourth Proportional to 1,525.56, 2,104.17 and 936.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.56 : 2,104.17 = 936.42 : x
2. Step 2: Convert to fraction form
   1,525.56/2,104.17 = 936.42/x
3. Step 3: Cross multiply
   1,525.56x = 2,104.17 × 936.42
4. Step 4: Simplify right side
   1,525.56x = 1,970,386.87
5. Step 5: Solve for x
   x = 1,970,386.87/1,525.56
6. Step 6: Final answer
   x = 1,291.58