Finding the Fourth Proportional to 1,815.78, 2,723.31 and 950.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.78 : 2,723.31 = 950.34 : x
2. Step 2: Convert to fraction form
   1,815.78/2,723.31 = 950.34/x
3. Step 3: Cross multiply
   1,815.78x = 2,723.31 × 950.34
4. Step 4: Simplify right side
   1,815.78x = 2,588,070.43
5. Step 5: Solve for x
   x = 2,588,070.43/1,815.78
6. Step 6: Final answer
   x = 1,425.32