Finding the Fourth Proportional to 2,636.24, 3,955.03 and 787.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.24 : 3,955.03 = 787.37 : x
2. Step 2: Convert to fraction form
   2,636.24/3,955.03 = 787.37/x
3. Step 3: Cross multiply
   2,636.24x = 3,955.03 × 787.37
4. Step 4: Simplify right side
   2,636.24x = 3,114,050.23
5. Step 5: Solve for x
   x = 3,114,050.23/2,636.24
6. Step 6: Final answer
   x = 1,181.25