Finding the Fourth Proportional to 21,383.18, 32,061.18 and 18,755.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,383.18 : 32,061.18 = 18,755.96 : x
2. Step 2: Convert to fraction form
   21,383.18/32,061.18 = 18,755.96/x
3. Step 3: Cross multiply
   21,383.18x = 32,061.18 × 18,755.96
4. Step 4: Simplify right side
   21,383.18x = 601,338,209.63
5. Step 5: Solve for x
   x = 601,338,209.63/21,383.18
6. Step 6: Final answer
   x = 28,122.02