Finding the Fourth Proportional to 238,144, 328,638.72 and 132,160

Step by Step Solution

1. Step 1: Write the proportion equation
   238,144 : 328,638.72 = 132,160 : x
2. Step 2: Convert to fraction form
   238,144/328,638.72 = 132,160/x
3. Step 3: Cross multiply
   238,144x = 328,638.72 × 132,160
4. Step 4: Simplify right side
   238,144x = 43,432,893,235.20
5. Step 5: Solve for x
   x = 43,432,893,235.20/238,144
6. Step 6: Final answer
   x = 182,380.80