Finding the Fourth Proportional to 134,827.39, 186,028.59 and 82,426.15

Step by Step Solution

1. Step 1: Write the proportion equation
   134,827.39 : 186,028.59 = 82,426.15 : x
2. Step 2: Convert to fraction form
   134,827.39/186,028.59 = 82,426.15/x
3. Step 3: Cross multiply
   134,827.39x = 186,028.59 × 82,426.15
4. Step 4: Simplify right side
   134,827.39x = 15,333,620,463.63
5. Step 5: Solve for x
   x = 15,333,620,463.63/134,827.39
6. Step 6: Final answer
   x = 113,727.79