Finding the Fourth Proportional to 242,854.71, 364,061.52 and 84,997.05

Step by Step Solution

1. Step 1: Write the proportion equation
   242,854.71 : 364,061.52 = 84,997.05 : x
2. Step 2: Convert to fraction form
   242,854.71/364,061.52 = 84,997.05/x
3. Step 3: Cross multiply
   242,854.71x = 364,061.52 × 84,997.05
4. Step 4: Simplify right side
   242,854.71x = 30,944,155,218.52
5. Step 5: Solve for x
   x = 30,944,155,218.52/242,854.71
6. Step 6: Final answer
   x = 127,418.39