Finding the Fourth Proportional to 21,959.07, 32,943.20 and 7,168.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,959.07 : 32,943.20 = 7,168.83 : x
2. Step 2: Convert to fraction form
   21,959.07/32,943.20 = 7,168.83/x
3. Step 3: Cross multiply
   21,959.07x = 32,943.20 × 7,168.83
4. Step 4: Simplify right side
   21,959.07x = 236,164,164.61
5. Step 5: Solve for x
   x = 236,164,164.61/21,959.07
6. Step 6: Final answer
   x = 10,754.74