Finding the Fourth Proportional to 9,421.92, 13,002.84 and 5,444.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,421.92 : 13,002.84 = 5,444.04 : x
2. Step 2: Convert to fraction form
   9,421.92/13,002.84 = 5,444.04/x
3. Step 3: Cross multiply
   9,421.92x = 13,002.84 × 5,444.04
4. Step 4: Simplify right side
   9,421.92x = 70,787,981.07
5. Step 5: Solve for x
   x = 70,787,981.07/9,421.92
6. Step 6: Final answer
   x = 7,513.12