Finding the Fourth Proportional to 21,481.56, 32,184.22 and 8,974.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,481.56 : 32,184.22 = 8,974.07 : x
2. Step 2: Convert to fraction form
   21,481.56/32,184.22 = 8,974.07/x
3. Step 3: Cross multiply
   21,481.56x = 32,184.22 × 8,974.07
4. Step 4: Simplify right side
   21,481.56x = 288,823,443.18
5. Step 5: Solve for x
   x = 288,823,443.18/21,481.56
6. Step 6: Final answer
   x = 13,445.18