Finding the Fourth Proportional to 9,347.81, 12,899.98 and 5,369.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347.81 : 12,899.98 = 5,369.18 : x
2. Step 2: Convert to fraction form
   9,347.81/12,899.98 = 5,369.18/x
3. Step 3: Cross multiply
   9,347.81x = 12,899.98 × 5,369.18
4. Step 4: Simplify right side
   9,347.81x = 69,262,236.69
5. Step 5: Solve for x
   x = 69,262,236.69/9,347.81
6. Step 6: Final answer
   x = 7,409.47