Finding the Fourth Proportional to 123,145.94, 184,738.35 and 40,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,145.94 : 184,738.35 = 40,020.50 : x
2. Step 2: Convert to fraction form
   123,145.94/184,738.35 = 40,020.50/x
3. Step 3: Cross multiply
   123,145.94x = 184,738.35 × 40,020.50
4. Step 4: Simplify right side
   123,145.94x = 7,393,321,136.18
5. Step 5: Solve for x
   x = 7,393,321,136.18/123,145.94
6. Step 6: Final answer
   x = 60,037.07