Finding the Fourth Proportional to 6,751.52, 10,128.89 and 2,591.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,751.52 : 10,128.89 = 2,591.56 : x
2. Step 2: Convert to fraction form
   6,751.52/10,128.89 = 2,591.56/x
3. Step 3: Cross multiply
   6,751.52x = 10,128.89 × 2,591.56
4. Step 4: Simplify right side
   6,751.52x = 26,249,607.33
5. Step 5: Solve for x
   x = 26,249,607.33/6,751.52
6. Step 6: Final answer
   x = 3,887.96