Finding the Fourth Proportional to 10,940.22, 16,385.62 and 7,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.22 : 16,385.62 = 7,667.88 : x
2. Step 2: Convert to fraction form
   10,940.22/16,385.62 = 7,667.88/x
3. Step 3: Cross multiply
   10,940.22x = 16,385.62 × 7,667.88
4. Step 4: Simplify right side
   10,940.22x = 125,642,967.89
5. Step 5: Solve for x
   x = 125,642,967.89/10,940.22
6. Step 6: Final answer
   x = 11,484.50