Finding the Fourth Proportional to 2,294.06, 3,438.72 and 906.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.06 : 3,438.72 = 906.83 : x
2. Step 2: Convert to fraction form
   2,294.06/3,438.72 = 906.83/x
3. Step 3: Cross multiply
   2,294.06x = 3,438.72 × 906.83
4. Step 4: Simplify right side
   2,294.06x = 3,118,334.46
5. Step 5: Solve for x
   x = 3,118,334.46/2,294.06
6. Step 6: Final answer
   x = 1,359.31