Finding the Fourth Proportional to 21,630, 32,448.51 and 8,475.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,630 : 32,448.51 = 8,475.24 : x
2. Step 2: Convert to fraction form
   21,630/32,448.51 = 8,475.24/x
3. Step 3: Cross multiply
   21,630x = 32,448.51 × 8,475.24
4. Step 4: Simplify right side
   21,630x = 275,008,909.89
5. Step 5: Solve for x
   x = 275,008,909.89/21,630
6. Step 6: Final answer
   x = 12,714.24