Finding the Fourth Proportional to 2,347.56, 3,521.06 and 959.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.56 : 3,521.06 = 959.94 : x
2. Step 2: Convert to fraction form
   2,347.56/3,521.06 = 959.94/x
3. Step 3: Cross multiply
   2,347.56x = 3,521.06 × 959.94
4. Step 4: Simplify right side
   2,347.56x = 3,380,006.34
5. Step 5: Solve for x
   x = 3,380,006.34/2,347.56
6. Step 6: Final answer
   x = 1,439.80