Finding the Fourth Proportional to 9,152.56, 12,630.48 and 4,960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.56 : 12,630.48 = 4,960.72 : x
2. Step 2: Convert to fraction form
   9,152.56/12,630.48 = 4,960.72/x
3. Step 3: Cross multiply
   9,152.56x = 12,630.48 × 4,960.72
4. Step 4: Simplify right side
   9,152.56x = 62,656,274.75
5. Step 5: Solve for x
   x = 62,656,274.75/9,152.56
6. Step 6: Final answer
   x = 6,845.76