Finding the Fourth Proportional to 1,885.83, 2,828.78 and 716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.83 : 2,828.78 = 716.38 : x
2. Step 2: Convert to fraction form
   1,885.83/2,828.78 = 716.38/x
3. Step 3: Cross multiply
   1,885.83x = 2,828.78 × 716.38
4. Step 4: Simplify right side
   1,885.83x = 2,026,481.42
5. Step 5: Solve for x
   x = 2,026,481.42/1,885.83
6. Step 6: Final answer
   x = 1,074.58