Finding the Fourth Proportional to 238,704.72, 329,404.97 and 131,274.42

Step by Step Solution

1. Step 1: Write the proportion equation
   238,704.72 : 329,404.97 = 131,274.42 : x
2. Step 2: Convert to fraction form
   238,704.72/329,404.97 = 131,274.42/x
3. Step 3: Cross multiply
   238,704.72x = 329,404.97 × 131,274.42
4. Step 4: Simplify right side
   238,704.72x = 43,242,445,725.50
5. Step 5: Solve for x
   x = 43,242,445,725.50/238,704.72
6. Step 6: Final answer
   x = 181,154.55