Finding the Fourth Proportional to 123,491.85, 170,356.33 and 82,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,491.85 : 170,356.33 = 82,657.72 : x
2. Step 2: Convert to fraction form
   123,491.85/170,356.33 = 82,657.72/x
3. Step 3: Cross multiply
   123,491.85x = 170,356.33 × 82,657.72
4. Step 4: Simplify right side
   123,491.85x = 14,081,265,300.33
5. Step 5: Solve for x
   x = 14,081,265,300.33/123,491.85
6. Step 6: Final answer
   x = 114,025.86