Finding the Fourth Proportional to 9,337.72, 12,883.29 and 5,558.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.72 : 12,883.29 = 5,558.98 : x
2. Step 2: Convert to fraction form
   9,337.72/12,883.29 = 5,558.98/x
3. Step 3: Cross multiply
   9,337.72x = 12,883.29 × 5,558.98
4. Step 4: Simplify right side
   9,337.72x = 71,617,951.44
5. Step 5: Solve for x
   x = 71,617,951.44/9,337.72
6. Step 6: Final answer
   x = 7,669.75