Finding the Fourth Proportional to 10,888.50, 16,332.83 and 2,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,888.50 : 16,332.83 = 2,680.50 : x
2. Step 2: Convert to fraction form
   10,888.50/16,332.83 = 2,680.50/x
3. Step 3: Cross multiply
   10,888.50x = 16,332.83 × 2,680.50
4. Step 4: Simplify right side
   10,888.50x = 43,780,150.82
5. Step 5: Solve for x
   x = 43,780,150.82/10,888.50
6. Step 6: Final answer
   x = 4,020.77