Finding the Fourth Proportional to 9,426.21, 13,007.94 and 5,448.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.21 : 13,007.94 = 5,448.57 : x
2. Step 2: Convert to fraction form
   9,426.21/13,007.94 = 5,448.57/x
3. Step 3: Cross multiply
   9,426.21x = 13,007.94 × 5,448.57
4. Step 4: Simplify right side
   9,426.21x = 70,874,671.65
5. Step 5: Solve for x
   x = 70,874,671.65/9,426.21
6. Step 6: Final answer
   x = 7,518.89