Finding the Fourth Proportional to 2,351.37, 3,527.67 and 890.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351.37 : 3,527.67 = 890.55 : x
2. Step 2: Convert to fraction form
   2,351.37/3,527.67 = 890.55/x
3. Step 3: Cross multiply
   2,351.37x = 3,527.67 × 890.55
4. Step 4: Simplify right side
   2,351.37x = 3,141,566.52
5. Step 5: Solve for x
   x = 3,141,566.52/2,351.37
6. Step 6: Final answer
   x = 1,336.06