Finding the Fourth Proportional to 21,475.06, 32,204.69 and 7,431.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,475.06 : 32,204.69 = 7,431.48 : x
2. Step 2: Convert to fraction form
   21,475.06/32,204.69 = 7,431.48/x
3. Step 3: Cross multiply
   21,475.06x = 32,204.69 × 7,431.48
4. Step 4: Simplify right side
   21,475.06x = 239,328,500.35
5. Step 5: Solve for x
   x = 239,328,500.35/21,475.06
6. Step 6: Final answer
   x = 11,144.49