Finding the Fourth Proportional to 9,150.47, 12,627.70 and 4,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.47 : 12,627.70 = 4,958.72 : x
2. Step 2: Convert to fraction form
   9,150.47/12,627.70 = 4,958.72/x
3. Step 3: Cross multiply
   9,150.47x = 12,627.70 × 4,958.72
4. Step 4: Simplify right side
   9,150.47x = 62,617,228.54
5. Step 5: Solve for x
   x = 62,617,228.54/9,150.47
6. Step 6: Final answer
   x = 6,843.06