Finding the Fourth Proportional to 242,899.81, 364,354.27 and 83,012.33

Step by Step Solution

1. Step 1: Write the proportion equation
   242,899.81 : 364,354.27 = 83,012.33 : x
2. Step 2: Convert to fraction form
   242,899.81/364,354.27 = 83,012.33/x
3. Step 3: Cross multiply
   242,899.81x = 364,354.27 × 83,012.33
4. Step 4: Simplify right side
   242,899.81x = 30,245,897,601.50
5. Step 5: Solve for x
   x = 30,245,897,601.50/242,899.81
6. Step 6: Final answer
   x = 124,520.06