Finding the Fourth Proportional to 21,475.38, 32,209.32 and 5,680.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,475.38 : 32,209.32 = 5,680.58 : x
2. Step 2: Convert to fraction form
   21,475.38/32,209.32 = 5,680.58/x
3. Step 3: Cross multiply
   21,475.38x = 32,209.32 × 5,680.58
4. Step 4: Simplify right side
   21,475.38x = 182,967,619.01
5. Step 5: Solve for x
   x = 182,967,619.01/21,475.38
6. Step 6: Final answer
   x = 8,519.88