Finding the Fourth Proportional to 21,955.88, 32,939.06 and 7,164.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,955.88 : 32,939.06 = 7,164.82 : x
2. Step 2: Convert to fraction form
   21,955.88/32,939.06 = 7,164.82/x
3. Step 3: Cross multiply
   21,955.88x = 32,939.06 × 7,164.82
4. Step 4: Simplify right side
   21,955.88x = 236,002,441.22
5. Step 5: Solve for x
   x = 236,002,441.22/21,955.88
6. Step 6: Final answer
   x = 10,748.94