Finding the Fourth Proportional to 6,854.07, 9,458.53 and 3,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,854.07 : 9,458.53 = 3,870.03 : x
2. Step 2: Convert to fraction form
   6,854.07/9,458.53 = 3,870.03/x
3. Step 3: Cross multiply
   6,854.07x = 9,458.53 × 3,870.03
4. Step 4: Simplify right side
   6,854.07x = 36,604,809.37
5. Step 5: Solve for x
   x = 36,604,809.37/6,854.07
6. Step 6: Final answer
   x = 5,340.59