Finding the Fourth Proportional to 159,255.88, 238,358.78 and 88,069

Step by Step Solution

1. Step 1: Write the proportion equation
   159,255.88 : 238,358.78 = 88,069 : x
2. Step 2: Convert to fraction form
   159,255.88/238,358.78 = 88,069/x
3. Step 3: Cross multiply
   159,255.88x = 238,358.78 × 88,069
4. Step 4: Simplify right side
   159,255.88x = 20,992,019,395.82
5. Step 5: Solve for x
   x = 20,992,019,395.82/159,255.88
6. Step 6: Final answer
   x = 131,813.15