Finding the Fourth Proportional to 9,021.89, 12,445.98 and 5,482.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.89 : 12,445.98 = 5,482.73 : x
2. Step 2: Convert to fraction form
   9,021.89/12,445.98 = 5,482.73/x
3. Step 3: Cross multiply
   9,021.89x = 12,445.98 × 5,482.73
4. Step 4: Simplify right side
   9,021.89x = 68,237,947.93
5. Step 5: Solve for x
   x = 68,237,947.93/9,021.89
6. Step 6: Final answer
   x = 7,563.60