Finding the Fourth Proportional to 21,792.42, 32,700.42 and 16,871.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,792.42 : 32,700.42 = 16,871.67 : x
2. Step 2: Convert to fraction form
   21,792.42/32,700.42 = 16,871.67/x
3. Step 3: Cross multiply
   21,792.42x = 32,700.42 × 16,871.67
4. Step 4: Simplify right side
   21,792.42x = 551,710,695.10
5. Step 5: Solve for x
   x = 551,710,695.10/21,792.42
6. Step 6: Final answer
   x = 25,316.63