Finding the Fourth Proportional to 21,755.61, 30,023.33 and 12,325.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,755.61 : 30,023.33 = 12,325.59 : x
2. Step 2: Convert to fraction form
   21,755.61/30,023.33 = 12,325.59/x
3. Step 3: Cross multiply
   21,755.61x = 30,023.33 × 12,325.59
4. Step 4: Simplify right side
   21,755.61x = 370,055,194.39
5. Step 5: Solve for x
   x = 370,055,194.39/21,755.61
6. Step 6: Final answer
   x = 17,009.64