Finding the Fourth Proportional to 21,848.72, 32,753.40 and 7,994.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,848.72 : 32,753.40 = 7,994.48 : x
2. Step 2: Convert to fraction form
   21,848.72/32,753.40 = 7,994.48/x
3. Step 3: Cross multiply
   21,848.72x = 32,753.40 × 7,994.48
4. Step 4: Simplify right side
   21,848.72x = 261,846,401.23
5. Step 5: Solve for x
   x = 261,846,401.23/21,848.72
6. Step 6: Final answer
   x = 11,984.52