Finding the Fourth Proportional to 242,978.39, 364,524.38 and 83,055.54

Step by Step Solution

1. Step 1: Write the proportion equation
   242,978.39 : 364,524.38 = 83,055.54 : x
2. Step 2: Convert to fraction form
   242,978.39/364,524.38 = 83,055.54/x
3. Step 3: Cross multiply
   242,978.39x = 364,524.38 × 83,055.54
4. Step 4: Simplify right side
   242,978.39x = 30,275,768,808.79
5. Step 5: Solve for x
   x = 30,275,768,808.79/242,978.39
6. Step 6: Final answer
   x = 124,602.72