Finding the Fourth Proportional to 23,624.82, 35,252.15 and 21,142.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,624.82 : 35,252.15 = 21,142.58 : x
2. Step 2: Convert to fraction form
   23,624.82/35,252.15 = 21,142.58/x
3. Step 3: Cross multiply
   23,624.82x = 35,252.15 × 21,142.58
4. Step 4: Simplify right side
   23,624.82x = 745,321,401.55
5. Step 5: Solve for x
   x = 745,321,401.55/23,624.82
6. Step 6: Final answer
   x = 31,548.24