Finding the Fourth Proportional to 238,067.80, 328,517.49 and 130,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   238,067.80 : 328,517.49 = 130,644.72 : x
2. Step 2: Convert to fraction form
   238,067.80/328,517.49 = 130,644.72/x
3. Step 3: Cross multiply
   238,067.80x = 328,517.49 × 130,644.72
4. Step 4: Simplify right side
   238,067.80x = 42,919,075,496.15
5. Step 5: Solve for x
   x = 42,919,075,496.15/238,067.80
6. Step 6: Final answer
   x = 180,280.89