Finding the Fourth Proportional to 123,356.94, 170,236.70 and 75,601.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,356.94 : 170,236.70 = 75,601.06 : x
2. Step 2: Convert to fraction form
   123,356.94/170,236.70 = 75,601.06/x
3. Step 3: Cross multiply
   123,356.94x = 170,236.70 × 75,601.06
4. Step 4: Simplify right side
   123,356.94x = 12,870,074,970.90
5. Step 5: Solve for x
   x = 12,870,074,970.90/123,356.94
6. Step 6: Final answer
   x = 104,331.99