Finding the Fourth Proportional to 10,940.13, 16,385.57 and 7,667.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.13 : 16,385.57 = 7,667.83 : x
2. Step 2: Convert to fraction form
   10,940.13/16,385.57 = 7,667.83/x
3. Step 3: Cross multiply
   10,940.13x = 16,385.57 × 7,667.83
4. Step 4: Simplify right side
   10,940.13x = 125,641,776.11
5. Step 5: Solve for x
   x = 125,641,776.11/10,940.13
6. Step 6: Final answer
   x = 11,484.49