Finding the Fourth Proportional to 21,955.32, 32,929.52 and 7,164.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,955.32 : 32,929.52 = 7,164.16 : x
2. Step 2: Convert to fraction form
   21,955.32/32,929.52 = 7,164.16/x
3. Step 3: Cross multiply
   21,955.32x = 32,929.52 × 7,164.16
4. Step 4: Simplify right side
   21,955.32x = 235,912,350.00
5. Step 5: Solve for x
   x = 235,912,350.00/21,955.32
6. Step 6: Final answer
   x = 10,745.11