Finding the Fourth Proportional to 9,934.53, 13,709.69 and 5,397.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934.53 : 13,709.69 = 5,397.23 : x
2. Step 2: Convert to fraction form
   9,934.53/13,709.69 = 5,397.23/x
3. Step 3: Cross multiply
   9,934.53x = 13,709.69 × 5,397.23
4. Step 4: Simplify right side
   9,934.53x = 73,994,254.62
5. Step 5: Solve for x
   x = 73,994,254.62/9,934.53
6. Step 6: Final answer
   x = 7,448.19