Finding the Fourth Proportional to 9,320.27, 12,853.52 and 7,190.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.27 : 12,853.52 = 7,190.48 : x
2. Step 2: Convert to fraction form
   9,320.27/12,853.52 = 7,190.48/x
3. Step 3: Cross multiply
   9,320.27x = 12,853.52 × 7,190.48
4. Step 4: Simplify right side
   9,320.27x = 92,423,050.05
5. Step 5: Solve for x
   x = 92,423,050.05/9,320.27
6. Step 6: Final answer
   x = 9,916.35