Finding the Fourth Proportional to 9,148.47, 12,624.94 and 4,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.47 : 12,624.94 = 4,956.72 : x
2. Step 2: Convert to fraction form
   9,148.47/12,624.94 = 4,956.72/x
3. Step 3: Cross multiply
   9,148.47x = 12,624.94 × 4,956.72
4. Step 4: Simplify right side
   9,148.47x = 62,578,292.60
5. Step 5: Solve for x
   x = 62,578,292.60/9,148.47
6. Step 6: Final answer
   x = 6,840.30