Finding the Fourth Proportional to 9,347.16, 12,899.86 and 5,369.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347.16 : 12,899.86 = 5,369.04 : x
2. Step 2: Convert to fraction form
   9,347.16/12,899.86 = 5,369.04/x
3. Step 3: Cross multiply
   9,347.16x = 12,899.86 × 5,369.04
4. Step 4: Simplify right side
   9,347.16x = 69,259,864.33
5. Step 5: Solve for x
   x = 69,259,864.33/9,347.16
6. Step 6: Final answer
   x = 7,409.72