Finding the Fourth Proportional to 9,384.80, 12,951.88 and 5,193.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,384.80 : 12,951.88 = 5,193.84 : x
2. Step 2: Convert to fraction form
   9,384.80/12,951.88 = 5,193.84/x
3. Step 3: Cross multiply
   9,384.80x = 12,951.88 × 5,193.84
4. Step 4: Simplify right side
   9,384.80x = 67,269,992.42
5. Step 5: Solve for x
   x = 67,269,992.42/9,384.80
6. Step 6: Final answer
   x = 7,167.97