Finding the Fourth Proportional to 9,818.96, 14,729.47 and 3,153.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.96 : 14,729.47 = 3,153.78 : x
2. Step 2: Convert to fraction form
   9,818.96/14,729.47 = 3,153.78/x
3. Step 3: Cross multiply
   9,818.96x = 14,729.47 × 3,153.78
4. Step 4: Simplify right side
   9,818.96x = 46,453,418.48
5. Step 5: Solve for x
   x = 46,453,418.48/9,818.96
6. Step 6: Final answer
   x = 4,730.99