Finding the Fourth Proportional to 113,558.52, 170,410.68 and 76,160.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,558.52 : 170,410.68 = 76,160.82 : x
2. Step 2: Convert to fraction form
   113,558.52/170,410.68 = 76,160.82/x
3. Step 3: Cross multiply
   113,558.52x = 170,410.68 × 76,160.82
4. Step 4: Simplify right side
   113,558.52x = 12,978,617,125.56
5. Step 5: Solve for x
   x = 12,978,617,125.56/113,558.52
6. Step 6: Final answer
   x = 114,290.12