Finding the Fourth Proportional to 21,401.84, 32,099.58 and 8,252.57

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.84 : 32,099.58 = 8,252.57 : x
2. Step 2: Convert to fraction form
   21,401.84/32,099.58 = 8,252.57/x
3. Step 3: Cross multiply
   21,401.84x = 32,099.58 × 8,252.57
4. Step 4: Simplify right side
   21,401.84x = 264,903,870.42
5. Step 5: Solve for x
   x = 264,903,870.42/21,401.84
6. Step 6: Final answer
   x = 12,377.62