Finding the Fourth Proportional to 123,628.50, 170,607.33 and 67,039.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,628.50 : 170,607.33 = 67,039.92 : x
2. Step 2: Convert to fraction form
   123,628.50/170,607.33 = 67,039.92/x
3. Step 3: Cross multiply
   123,628.50x = 170,607.33 × 67,039.92
4. Step 4: Simplify right side
   123,628.50x = 11,437,501,754.61
5. Step 5: Solve for x
   x = 11,437,501,754.61/123,628.50
6. Step 6: Final answer
   x = 92,515.09