Finding the Fourth Proportional to 11,947.86, 16,483.68 and 7,230.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.86 : 16,483.68 = 7,230.42 : x
2. Step 2: Convert to fraction form
   11,947.86/16,483.68 = 7,230.42/x
3. Step 3: Cross multiply
   11,947.86x = 16,483.68 × 7,230.42
4. Step 4: Simplify right side
   11,947.86x = 119,183,929.55
5. Step 5: Solve for x
   x = 119,183,929.55/11,947.86
6. Step 6: Final answer
   x = 9,975.34