Finding the Fourth Proportional to 2,951.32, 4,428.53 and 1,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.32 : 4,428.53 = 1,309 : x
2. Step 2: Convert to fraction form
   2,951.32/4,428.53 = 1,309/x
3. Step 3: Cross multiply
   2,951.32x = 4,428.53 × 1,309
4. Step 4: Simplify right side
   2,951.32x = 5,796,945.77
5. Step 5: Solve for x
   x = 5,796,945.77/2,951.32
6. Step 6: Final answer
   x = 1,964.19