Finding the Fourth Proportional to 21,471.22, 32,196.59 and 7,957.99

Step by Step Solution

1. Step 1: Write the proportion equation
   21,471.22 : 32,196.59 = 7,957.99 : x
2. Step 2: Convert to fraction form
   21,471.22/32,196.59 = 7,957.99/x
3. Step 3: Cross multiply
   21,471.22x = 32,196.59 × 7,957.99
4. Step 4: Simplify right side
   21,471.22x = 256,219,940.48
5. Step 5: Solve for x
   x = 256,219,940.48/21,471.22
6. Step 6: Final answer
   x = 11,933.18