Finding the Fourth Proportional to 238,817.82, 329,568.59 and 131,385.56

Step by Step Solution

1. Step 1: Write the proportion equation
   238,817.82 : 329,568.59 = 131,385.56 : x
2. Step 2: Convert to fraction form
   238,817.82/329,568.59 = 131,385.56/x
3. Step 3: Cross multiply
   238,817.82x = 329,568.59 × 131,385.56
4. Step 4: Simplify right side
   238,817.82x = 43,300,554,907.95
5. Step 5: Solve for x
   x = 43,300,554,907.95/238,817.82
6. Step 6: Final answer
   x = 181,312.08