Finding the Fourth Proportional to 123,636.18, 170,618.01 and 67,047.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,636.18 : 170,618.01 = 67,047.54 : x
2. Step 2: Convert to fraction form
   123,636.18/170,618.01 = 67,047.54/x
3. Step 3: Cross multiply
   123,636.18x = 170,618.01 × 67,047.54
4. Step 4: Simplify right side
   123,636.18x = 11,439,517,850.20
5. Step 5: Solve for x
   x = 11,439,517,850.20/123,636.18
6. Step 6: Final answer
   x = 92,525.65