Finding the Fourth Proportional to 9,443.18, 13,031.53 and 5,194.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.18 : 13,031.53 = 5,194.50 : x
2. Step 2: Convert to fraction form
   9,443.18/13,031.53 = 5,194.50/x
3. Step 3: Cross multiply
   9,443.18x = 13,031.53 × 5,194.50
4. Step 4: Simplify right side
   9,443.18x = 67,692,269.60
5. Step 5: Solve for x
   x = 67,692,269.60/9,443.18
6. Step 6: Final answer
   x = 7,168.38