Finding the Fourth Proportional to 123,621.12, 170,597.23 and 67,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,621.12 : 170,597.23 = 67,032.50 : x
2. Step 2: Convert to fraction form
   123,621.12/170,597.23 = 67,032.50/x
3. Step 3: Cross multiply
   123,621.12x = 170,597.23 × 67,032.50
4. Step 4: Simplify right side
   123,621.12x = 11,435,558,050.78
5. Step 5: Solve for x
   x = 11,435,558,050.78/123,621.12
6. Step 6: Final answer
   x = 92,504.89