Finding the Fourth Proportional to 2,435.31, 3,653.10 and 791.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.31 : 3,653.10 = 791.37 : x
2. Step 2: Convert to fraction form
   2,435.31/3,653.10 = 791.37/x
3. Step 3: Cross multiply
   2,435.31x = 3,653.10 × 791.37
4. Step 4: Simplify right side
   2,435.31x = 2,890,953.75
5. Step 5: Solve for x
   x = 2,890,953.75/2,435.31
6. Step 6: Final answer
   x = 1,187.10