Finding the Fourth Proportional to 9,354.89, 12,905.29 and 5,575.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,354.89 : 12,905.29 = 5,575.88 : x
2. Step 2: Convert to fraction form
   9,354.89/12,905.29 = 5,575.88/x
3. Step 3: Cross multiply
   9,354.89x = 12,905.29 × 5,575.88
4. Step 4: Simplify right side
   9,354.89x = 71,958,348.41
5. Step 5: Solve for x
   x = 71,958,348.41/9,354.89
6. Step 6: Final answer
   x = 7,692.06