Finding the Fourth Proportional to 173,155.58, 238,936.50 and 100,544.28

Step by Step Solution

1. Step 1: Write the proportion equation
   173,155.58 : 238,936.50 = 100,544.28 : x
2. Step 2: Convert to fraction form
   173,155.58/238,936.50 = 100,544.28/x
3. Step 3: Cross multiply
   173,155.58x = 238,936.50 × 100,544.28
4. Step 4: Simplify right side
   173,155.58x = 24,023,697,855.50
5. Step 5: Solve for x
   x = 24,023,697,855.50/173,155.58
6. Step 6: Final answer
   x = 138,740.54