Finding the Fourth Proportional to 6,138.25, 8,470.83 and 3,485.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,138.25 : 8,470.83 = 3,485.71 : x
2. Step 2: Convert to fraction form
   6,138.25/8,470.83 = 3,485.71/x
3. Step 3: Cross multiply
   6,138.25x = 8,470.83 × 3,485.71
4. Step 4: Simplify right side
   6,138.25x = 29,526,880.50
5. Step 5: Solve for x
   x = 29,526,880.50/6,138.25
6. Step 6: Final answer
   x = 4,810.31