Finding the Fourth Proportional to 137,096.96, 189,215.39 and 83,398.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,096.96 : 189,215.39 = 83,398.82 : x
2. Step 2: Convert to fraction form
   137,096.96/189,215.39 = 83,398.82/x
3. Step 3: Cross multiply
   137,096.96x = 189,215.39 × 83,398.82
4. Step 4: Simplify right side
   137,096.96x = 15,780,339,514.26
5. Step 5: Solve for x
   x = 15,780,339,514.26/137,096.96
6. Step 6: Final answer
   x = 115,103.50