Finding the Fourth Proportional to 9,821.43, 13,554.98 and 5,573.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,821.43 : 13,554.98 = 5,573.54 : x
2. Step 2: Convert to fraction form
   9,821.43/13,554.98 = 5,573.54/x
3. Step 3: Cross multiply
   9,821.43x = 13,554.98 × 5,573.54
4. Step 4: Simplify right side
   9,821.43x = 75,549,127.59
5. Step 5: Solve for x
   x = 75,549,127.59/9,821.43
6. Step 6: Final answer
   x = 7,692.27