Finding the Fourth Proportional to 2,868.54, 4,302.54 and 788.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.54 : 4,302.54 = 788.46 : x
2. Step 2: Convert to fraction form
   2,868.54/4,302.54 = 788.46/x
3. Step 3: Cross multiply
   2,868.54x = 4,302.54 × 788.46
4. Step 4: Simplify right side
   2,868.54x = 3,392,380.69
5. Step 5: Solve for x
   x = 3,392,380.69/2,868.54
6. Step 6: Final answer
   x = 1,182.62