Finding the Fourth Proportional to 1,579.76, 2,179.40 and 950.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,579.76 : 2,179.40 = 950.29 : x
2. Step 2: Convert to fraction form
   1,579.76/2,179.40 = 950.29/x
3. Step 3: Cross multiply
   1,579.76x = 2,179.40 × 950.29
4. Step 4: Simplify right side
   1,579.76x = 2,071,051.83
5. Step 5: Solve for x
   x = 2,071,051.83/1,579.76
6. Step 6: Final answer
   x = 1,311.00