Finding the Fourth Proportional to 1,883.16, 2,822.82 and 786.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.16 : 2,822.82 = 786.42 : x
2. Step 2: Convert to fraction form
   1,883.16/2,822.82 = 786.42/x
3. Step 3: Cross multiply
   1,883.16x = 2,822.82 × 786.42
4. Step 4: Simplify right side
   1,883.16x = 2,219,922.10
5. Step 5: Solve for x
   x = 2,219,922.10/1,883.16
6. Step 6: Final answer
   x = 1,178.83