Finding the Fourth Proportional to 1,658.50, 2,288.61 and 950.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.50 : 2,288.61 = 950.34 : x
2. Step 2: Convert to fraction form
   1,658.50/2,288.61 = 950.34/x
3. Step 3: Cross multiply
   1,658.50x = 2,288.61 × 950.34
4. Step 4: Simplify right side
   1,658.50x = 2,174,957.63
5. Step 5: Solve for x
   x = 2,174,957.63/1,658.50
6. Step 6: Final answer
   x = 1,311.40