Finding the Fourth Proportional to 9,131.84, 12,597.94 and 5,353.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.84 : 12,597.94 = 5,353.09 : x
2. Step 2: Convert to fraction form
   9,131.84/12,597.94 = 5,353.09/x
3. Step 3: Cross multiply
   9,131.84x = 12,597.94 × 5,353.09
4. Step 4: Simplify right side
   9,131.84x = 67,437,929.07
5. Step 5: Solve for x
   x = 67,437,929.07/9,131.84
6. Step 6: Final answer
   x = 7,384.92