Finding the Fourth Proportional to 9,421.12, 13,004.34 and 5,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,421.12 : 13,004.34 = 5,443.84 : x
2. Step 2: Convert to fraction form
   9,421.12/13,004.34 = 5,443.84/x
3. Step 3: Cross multiply
   9,421.12x = 13,004.34 × 5,443.84
4. Step 4: Simplify right side
   9,421.12x = 70,793,546.27
5. Step 5: Solve for x
   x = 70,793,546.27/9,421.12
6. Step 6: Final answer
   x = 7,514.35