Finding the Fourth Proportional to 9,421.88, 13,002.82 and 5,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,421.88 : 13,002.82 = 5,443.16 : x
2. Step 2: Convert to fraction form
   9,421.88/13,002.82 = 5,443.16/x
3. Step 3: Cross multiply
   9,421.88x = 13,002.82 × 5,443.16
4. Step 4: Simplify right side
   9,421.88x = 70,776,429.71
5. Step 5: Solve for x
   x = 70,776,429.71/9,421.88
6. Step 6: Final answer
   x = 7,511.92