Finding the Fourth Proportional to 3,469.51, 5,196.18 and 2,687.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469.51 : 5,196.18 = 2,687.00 : x
2. Step 2: Convert to fraction form
   3,469.51/5,196.18 = 2,687.00/x
3. Step 3: Cross multiply
   3,469.51x = 5,196.18 × 2,687.00
4. Step 4: Simplify right side
   3,469.51x = 13,962,111.70
5. Step 5: Solve for x
   x = 13,962,111.70/3,469.51
6. Step 6: Final answer
   x = 4,024.23