Finding the Fourth Proportional to 6,898.89, 9,520.46 and 3,755.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,898.89 : 9,520.46 = 3,755.07 : x
2. Step 2: Convert to fraction form
   6,898.89/9,520.46 = 3,755.07/x
3. Step 3: Cross multiply
   6,898.89x = 9,520.46 × 3,755.07
4. Step 4: Simplify right side
   6,898.89x = 35,749,974.96
5. Step 5: Solve for x
   x = 35,749,974.96/6,898.89
6. Step 6: Final answer
   x = 5,181.99