Finding the Fourth Proportional to 21,758.25, 30,030.63 and 12,326.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,758.25 : 30,030.63 = 12,326.82 : x
2. Step 2: Convert to fraction form
   21,758.25/30,030.63 = 12,326.82/x
3. Step 3: Cross multiply
   21,758.25x = 30,030.63 × 12,326.82
4. Step 4: Simplify right side
   21,758.25x = 370,182,170.50
5. Step 5: Solve for x
   x = 370,182,170.50/21,758.25
6. Step 6: Final answer
   x = 17,013.42