Finding the Fourth Proportional to 9,537.89, 13,161.29 and 5,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,537.89 : 13,161.29 = 5,558.15 : x
2. Step 2: Convert to fraction form
   9,537.89/13,161.29 = 5,558.15/x
3. Step 3: Cross multiply
   9,537.89x = 13,161.29 × 5,558.15
4. Step 4: Simplify right side
   9,537.89x = 73,152,429.13
5. Step 5: Solve for x
   x = 73,152,429.13/9,537.89
6. Step 6: Final answer
   x = 7,669.67