Finding the Fourth Proportional to 2,699.06, 4,045.34 and 1,236.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.06 : 4,045.34 = 1,236.20 : x
2. Step 2: Convert to fraction form
   2,699.06/4,045.34 = 1,236.20/x
3. Step 3: Cross multiply
   2,699.06x = 4,045.34 × 1,236.20
4. Step 4: Simplify right side
   2,699.06x = 5,000,849.31
5. Step 5: Solve for x
   x = 5,000,849.31/2,699.06
6. Step 6: Final answer
   x = 1,852.81