Finding the Fourth Proportional to 6,458.42, 9,685.56 and 2,074.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,458.42 : 9,685.56 = 2,074.82 : x
2. Step 2: Convert to fraction form
   6,458.42/9,685.56 = 2,074.82/x
3. Step 3: Cross multiply
   6,458.42x = 9,685.56 × 2,074.82
4. Step 4: Simplify right side
   6,458.42x = 20,095,793.60
5. Step 5: Solve for x
   x = 20,095,793.60/6,458.42
6. Step 6: Final answer
   x = 3,111.56