Finding the Fourth Proportional to 21,764, 30,034.32 and 12,932

Step by Step Solution

1. Step 1: Write the proportion equation
   21,764 : 30,034.32 = 12,932 : x
2. Step 2: Convert to fraction form
   21,764/30,034.32 = 12,932/x
3. Step 3: Cross multiply
   21,764x = 30,034.32 × 12,932
4. Step 4: Simplify right side
   21,764x = 388,403,826.24
5. Step 5: Solve for x
   x = 388,403,826.24/21,764
6. Step 6: Final answer
   x = 17,846.16