Finding the Fourth Proportional to 21,815.39, 32,729.47 and 7,023.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,815.39 : 32,729.47 = 7,023.98 : x
2. Step 2: Convert to fraction form
   21,815.39/32,729.47 = 7,023.98/x
3. Step 3: Cross multiply
   21,815.39x = 32,729.47 × 7,023.98
4. Step 4: Simplify right side
   21,815.39x = 229,891,206.95
5. Step 5: Solve for x
   x = 229,891,206.95/21,815.39
6. Step 6: Final answer
   x = 10,538.03