Finding the Fourth Proportional to 9,820.39, 14,735.28 and 4,890.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.39 : 14,735.28 = 4,890.46 : x
2. Step 2: Convert to fraction form
   9,820.39/14,735.28 = 4,890.46/x
3. Step 3: Cross multiply
   9,820.39x = 14,735.28 × 4,890.46
4. Step 4: Simplify right side
   9,820.39x = 72,062,297.43
5. Step 5: Solve for x
   x = 72,062,297.43/9,820.39
6. Step 6: Final answer
   x = 7,338.03