Finding the Fourth Proportional to 9,845.34, 13,586.36 and 5,369.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.34 : 13,586.36 = 5,369.13 : x
2. Step 2: Convert to fraction form
   9,845.34/13,586.36 = 5,369.13/x
3. Step 3: Cross multiply
   9,845.34x = 13,586.36 × 5,369.13
4. Step 4: Simplify right side
   9,845.34x = 72,946,906.22
5. Step 5: Solve for x
   x = 72,946,906.22/9,845.34
6. Step 6: Final answer
   x = 7,409.28