Finding the Fourth Proportional to 137,097.96, 189,216.77 and 83,399.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,097.96 : 189,216.77 = 83,399.82 : x
2. Step 2: Convert to fraction form
   137,097.96/189,216.77 = 83,399.82/x
3. Step 3: Cross multiply
   137,097.96x = 189,216.77 × 83,399.82
4. Step 4: Simplify right side
   137,097.96x = 15,780,644,558.98
5. Step 5: Solve for x
   x = 15,780,644,558.98/137,097.96
6. Step 6: Final answer
   x = 115,104.88