Finding the Fourth Proportional to 6,128.92, 8,458.33 and 3,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.92 : 8,458.33 = 3,476.50 : x
2. Step 2: Convert to fraction form
   6,128.92/8,458.33 = 3,476.50/x
3. Step 3: Cross multiply
   6,128.92x = 8,458.33 × 3,476.50
4. Step 4: Simplify right side
   6,128.92x = 29,405,384.25
5. Step 5: Solve for x
   x = 29,405,384.25/6,128.92
6. Step 6: Final answer
   x = 4,797.81