Finding the Fourth Proportional to 9,141.46, 12,615.18 and 4,949.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.46 : 12,615.18 = 4,949.72 : x
2. Step 2: Convert to fraction form
   9,141.46/12,615.18 = 4,949.72/x
3. Step 3: Cross multiply
   9,141.46x = 12,615.18 × 4,949.72
4. Step 4: Simplify right side
   9,141.46x = 62,441,608.75
5. Step 5: Solve for x
   x = 62,441,608.75/9,141.46
6. Step 6: Final answer
   x = 6,830.59