Finding the Fourth Proportional to 11,043.87, 15,234.62 and 7,680.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,043.87 : 15,234.62 = 7,680.83 : x
2. Step 2: Convert to fraction form
   11,043.87/15,234.62 = 7,680.83/x
3. Step 3: Cross multiply
   11,043.87x = 15,234.62 × 7,680.83
4. Step 4: Simplify right side
   11,043.87x = 117,014,526.02
5. Step 5: Solve for x
   x = 117,014,526.02/11,043.87
6. Step 6: Final answer
   x = 10,595.43