Finding the Fourth Proportional to 9,522.45, 13,141.71 and 5,489.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.45 : 13,141.71 = 5,489.93 : x
2. Step 2: Convert to fraction form
   9,522.45/13,141.71 = 5,489.93/x
3. Step 3: Cross multiply
   9,522.45x = 13,141.71 × 5,489.93
4. Step 4: Simplify right side
   9,522.45x = 72,147,100.83
5. Step 5: Solve for x
   x = 72,147,100.83/9,522.45
6. Step 6: Final answer
   x = 7,576.53