Finding the Fourth Proportional to 2,698.50, 4,047.89 and 1,236.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.50 : 4,047.89 = 1,236.99 : x
2. Step 2: Convert to fraction form
   2,698.50/4,047.89 = 1,236.99/x
3. Step 3: Cross multiply
   2,698.50x = 4,047.89 × 1,236.99
4. Step 4: Simplify right side
   2,698.50x = 5,007,193.27
5. Step 5: Solve for x
   x = 5,007,193.27/2,698.50
6. Step 6: Final answer
   x = 1,855.55