Finding the Fourth Proportional to 21,343.32, 32,010.60 and 5,757.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,343.32 : 32,010.60 = 5,757.30 : x
2. Step 2: Convert to fraction form
   21,343.32/32,010.60 = 5,757.30/x
3. Step 3: Cross multiply
   21,343.32x = 32,010.60 × 5,757.30
4. Step 4: Simplify right side
   21,343.32x = 184,294,627.38
5. Step 5: Solve for x
   x = 184,294,627.38/21,343.32
6. Step 6: Final answer
   x = 8,634.77