Finding the Fourth Proportional to 137,433.82, 189,654.72 and 80,085.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,433.82 : 189,654.72 = 80,085.82 : x
2. Step 2: Convert to fraction form
   137,433.82/189,654.72 = 80,085.82/x
3. Step 3: Cross multiply
   137,433.82x = 189,654.72 × 80,085.82
4. Step 4: Simplify right side
   137,433.82x = 15,188,653,768.07
5. Step 5: Solve for x
   x = 15,188,653,768.07/137,433.82
6. Step 6: Final answer
   x = 110,516.13