Finding the Fourth Proportional to 1,883.82, 2,825.85 and 788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.82 : 2,825.85 = 788.31 : x
2. Step 2: Convert to fraction form
   1,883.82/2,825.85 = 788.31/x
3. Step 3: Cross multiply
   1,883.82x = 2,825.85 × 788.31
4. Step 4: Simplify right side
   1,883.82x = 2,227,645.81
5. Step 5: Solve for x
   x = 2,227,645.81/1,883.82
6. Step 6: Final answer
   x = 1,182.52