Finding the Fourth Proportional to 5,011.61, 6,911.82 and 3,755.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,011.61 : 6,911.82 = 3,755.61 : x
2. Step 2: Convert to fraction form
   5,011.61/6,911.82 = 3,755.61/x
3. Step 3: Cross multiply
   5,011.61x = 6,911.82 × 3,755.61
4. Step 4: Simplify right side
   5,011.61x = 25,958,100.31
5. Step 5: Solve for x
   x = 25,958,100.31/5,011.61
6. Step 6: Final answer
   x = 5,179.60