Finding the Fourth Proportional to 9,820.89, 13,554.59 and 6,283.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.89 : 13,554.59 = 6,283.98 : x
2. Step 2: Convert to fraction form
   9,820.89/13,554.59 = 6,283.98/x
3. Step 3: Cross multiply
   9,820.89x = 13,554.59 × 6,283.98
4. Step 4: Simplify right side
   9,820.89x = 85,176,741.05
5. Step 5: Solve for x
   x = 85,176,741.05/9,820.89
6. Step 6: Final answer
   x = 8,673.02