Finding the Fourth Proportional to 21,724, 32,586.32 and 5,308

Step by Step Solution

1. Step 1: Write the proportion equation
   21,724 : 32,586.32 = 5,308 : x
2. Step 2: Convert to fraction form
   21,724/32,586.32 = 5,308/x
3. Step 3: Cross multiply
   21,724x = 32,586.32 × 5,308
4. Step 4: Simplify right side
   21,724x = 172,968,186.56
5. Step 5: Solve for x
   x = 172,968,186.56/21,724
6. Step 6: Final answer
   x = 7,962.08