Finding the Fourth Proportional to 6,870.52, 9,479.72 and 4,636.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.52 : 9,479.72 = 4,636.54 : x
2. Step 2: Convert to fraction form
   6,870.52/9,479.72 = 4,636.54/x
3. Step 3: Cross multiply
   6,870.52x = 9,479.72 × 4,636.54
4. Step 4: Simplify right side
   6,870.52x = 43,953,100.97
5. Step 5: Solve for x
   x = 43,953,100.97/6,870.52
6. Step 6: Final answer
   x = 6,397.35