Finding the Fourth Proportional to 2,352.24, 3,524.72 and 890.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,352.24 : 3,524.72 = 890.60 : x
2. Step 2: Convert to fraction form
   2,352.24/3,524.72 = 890.60/x
3. Step 3: Cross multiply
   2,352.24x = 3,524.72 × 890.60
4. Step 4: Simplify right side
   2,352.24x = 3,139,115.63
5. Step 5: Solve for x
   x = 3,139,115.63/2,352.24
6. Step 6: Final answer
   x = 1,334.52