Finding the Fourth Proportional to 9,818.36, 14,728.72 and 3,246.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.36 : 14,728.72 = 3,246.40 : x
2. Step 2: Convert to fraction form
   9,818.36/14,728.72 = 3,246.40/x
3. Step 3: Cross multiply
   9,818.36x = 14,728.72 × 3,246.40
4. Step 4: Simplify right side
   9,818.36x = 47,815,316.61
5. Step 5: Solve for x
   x = 47,815,316.61/9,818.36
6. Step 6: Final answer
   x = 4,869.99