Finding the Fourth Proportional to 21,781.25, 32,667.96 and 5,770.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,781.25 : 32,667.96 = 5,770.89 : x
2. Step 2: Convert to fraction form
   21,781.25/32,667.96 = 5,770.89/x
3. Step 3: Cross multiply
   21,781.25x = 32,667.96 × 5,770.89
4. Step 4: Simplify right side
   21,781.25x = 188,523,040.34
5. Step 5: Solve for x
   x = 188,523,040.34/21,781.25
6. Step 6: Final answer
   x = 8,655.29