Finding the Fourth Proportional to 9,443.24, 13,030.78 and 5,194.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.24 : 13,030.78 = 5,194.30 : x
2. Step 2: Convert to fraction form
   9,443.24/13,030.78 = 5,194.30/x
3. Step 3: Cross multiply
   9,443.24x = 13,030.78 × 5,194.30
4. Step 4: Simplify right side
   9,443.24x = 67,685,780.55
5. Step 5: Solve for x
   x = 67,685,780.55/9,443.24
6. Step 6: Final answer
   x = 7,167.64