Finding the Fourth Proportional to 2,349.56, 3,527.81 and 1,311.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349.56 : 3,527.81 = 1,311.59 : x
2. Step 2: Convert to fraction form
   2,349.56/3,527.81 = 1,311.59/x
3. Step 3: Cross multiply
   2,349.56x = 3,527.81 × 1,311.59
4. Step 4: Simplify right side
   2,349.56x = 4,627,040.32
5. Step 5: Solve for x
   x = 4,627,040.32/2,349.56
6. Step 6: Final answer
   x = 1,969.32