Finding the Fourth Proportional to 9,143.63, 12,618.20 and 4,951.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143.63 : 12,618.20 = 4,951.88 : x
2. Step 2: Convert to fraction form
   9,143.63/12,618.20 = 4,951.88/x
3. Step 3: Cross multiply
   9,143.63x = 12,618.20 × 4,951.88
4. Step 4: Simplify right side
   9,143.63x = 62,483,761.50
5. Step 5: Solve for x
   x = 62,483,761.50/9,143.63
6. Step 6: Final answer
   x = 6,833.59