Finding the Fourth Proportional to 242,216.29, 363,088.71 and 115,823.89

Step by Step Solution

1. Step 1: Write the proportion equation
   242,216.29 : 363,088.71 = 115,823.89 : x
2. Step 2: Convert to fraction form
   242,216.29/363,088.71 = 115,823.89/x
3. Step 3: Cross multiply
   242,216.29x = 363,088.71 × 115,823.89
4. Step 4: Simplify right side
   242,216.29x = 42,054,346,807.28
5. Step 5: Solve for x
   x = 42,054,346,807.28/242,216.29
6. Step 6: Final answer
   x = 173,623.12