Finding the Fourth Proportional to 18,477.72, 27,714.15 and 5,331.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,477.72 : 27,714.15 = 5,331.42 : x
2. Step 2: Convert to fraction form
   18,477.72/27,714.15 = 5,331.42/x
3. Step 3: Cross multiply
   18,477.72x = 27,714.15 × 5,331.42
4. Step 4: Simplify right side
   18,477.72x = 147,755,773.59
5. Step 5: Solve for x
   x = 147,755,773.59/18,477.72
6. Step 6: Final answer
   x = 7,996.43