Finding the Fourth Proportional to 11,633.56, 17,443.72 and 7,940.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,633.56 : 17,443.72 = 7,940.27 : x
2. Step 2: Convert to fraction form
   11,633.56/17,443.72 = 7,940.27/x
3. Step 3: Cross multiply
   11,633.56x = 17,443.72 × 7,940.27
4. Step 4: Simplify right side
   11,633.56x = 138,507,824.35
5. Step 5: Solve for x
   x = 138,507,824.35/11,633.56
6. Step 6: Final answer
   x = 11,905.88