Finding the Fourth Proportional to 9,420.26, 13,002.29 and 5,443.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,420.26 : 13,002.29 = 5,443.67 : x
2. Step 2: Convert to fraction form
   9,420.26/13,002.29 = 5,443.67/x
3. Step 3: Cross multiply
   9,420.26x = 13,002.29 × 5,443.67
4. Step 4: Simplify right side
   9,420.26x = 70,780,083.77
5. Step 5: Solve for x
   x = 70,780,083.77/9,420.26
6. Step 6: Final answer
   x = 7,513.61