Finding the Fourth Proportional to 6,465.50, 9,699.15 and 2,081.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465.50 : 9,699.15 = 2,081.93 : x
2. Step 2: Convert to fraction form
   6,465.50/9,699.15 = 2,081.93/x
3. Step 3: Cross multiply
   6,465.50x = 9,699.15 × 2,081.93
4. Step 4: Simplify right side
   6,465.50x = 20,192,902.86
5. Step 5: Solve for x
   x = 20,192,902.86/6,465.50
6. Step 6: Final answer
   x = 3,123.18