Finding the Fourth Proportional to 137,118.62, 189,144.38 and 82,633.59

Step by Step Solution

1. Step 1: Write the proportion equation
   137,118.62 : 189,144.38 = 82,633.59 : x
2. Step 2: Convert to fraction form
   137,118.62/189,144.38 = 82,633.59/x
3. Step 3: Cross multiply
   137,118.62x = 189,144.38 × 82,633.59
4. Step 4: Simplify right side
   137,118.62x = 15,629,679,354.31
5. Step 5: Solve for x
   x = 15,629,679,354.31/137,118.62
6. Step 6: Final answer
   x = 113,986.55