Finding the Fourth Proportional to 6,870.76, 9,481.59 and 3,845.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.76 : 9,481.59 = 3,845.88 : x
2. Step 2: Convert to fraction form
   6,870.76/9,481.59 = 3,845.88/x
3. Step 3: Cross multiply
   6,870.76x = 9,481.59 × 3,845.88
4. Step 4: Simplify right side
   6,870.76x = 36,465,057.35
5. Step 5: Solve for x
   x = 36,465,057.35/6,870.76
6. Step 6: Final answer
   x = 5,307.28