Finding the Fourth Proportional to 6,749.43, 10,128.54 and 3,051.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,749.43 : 10,128.54 = 3,051.87 : x
2. Step 2: Convert to fraction form
   6,749.43/10,128.54 = 3,051.87/x
3. Step 3: Cross multiply
   6,749.43x = 10,128.54 × 3,051.87
4. Step 4: Simplify right side
   6,749.43x = 30,910,987.37
5. Step 5: Solve for x
   x = 30,910,987.37/6,749.43
6. Step 6: Final answer
   x = 4,579.79