Finding the Fourth Proportional to 2,958.50, 4,437.83 and 906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.50 : 4,437.83 = 906.50 : x
2. Step 2: Convert to fraction form
   2,958.50/4,437.83 = 906.50/x
3. Step 3: Cross multiply
   2,958.50x = 4,437.83 × 906.50
4. Step 4: Simplify right side
   2,958.50x = 4,022,892.90
5. Step 5: Solve for x
   x = 4,022,892.90/2,958.50
6. Step 6: Final answer
   x = 1,359.77