Finding the Fourth Proportional to 9,131.34, 12,595.92 and 5,353.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.34 : 12,595.92 = 5,353.58 : x
2. Step 2: Convert to fraction form
   9,131.34/12,595.92 = 5,353.58/x
3. Step 3: Cross multiply
   9,131.34x = 12,595.92 × 5,353.58
4. Step 4: Simplify right side
   9,131.34x = 67,433,265.39
5. Step 5: Solve for x
   x = 67,433,265.39/9,131.34
6. Step 6: Final answer
   x = 7,384.82