Finding the Fourth Proportional to 2,751.69, 4,131.66 and 2,656.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,751.69 : 4,131.66 = 2,656.01 : x
2. Step 2: Convert to fraction form
   2,751.69/4,131.66 = 2,656.01/x
3. Step 3: Cross multiply
   2,751.69x = 4,131.66 × 2,656.01
4. Step 4: Simplify right side
   2,751.69x = 10,973,709.62
5. Step 5: Solve for x
   x = 10,973,709.62/2,751.69
6. Step 6: Final answer
   x = 3,987.99