Finding the Fourth Proportional to 21,474.37, 32,207.82 and 5,679.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,474.37 : 32,207.82 = 5,679.58 : x
2. Step 2: Convert to fraction form
   21,474.37/32,207.82 = 5,679.58/x
3. Step 3: Cross multiply
   21,474.37x = 32,207.82 × 5,679.58
4. Step 4: Simplify right side
   21,474.37x = 182,926,890.32
5. Step 5: Solve for x
   x = 182,926,890.32/21,474.37
6. Step 6: Final answer
   x = 8,518.38