Finding the Fourth Proportional to 123,231.68, 184,870.36 and 39,013.05

Step by Step Solution

1. Step 1: Write the proportion equation
   123,231.68 : 184,870.36 = 39,013.05 : x
2. Step 2: Convert to fraction form
   123,231.68/184,870.36 = 39,013.05/x
3. Step 3: Cross multiply
   123,231.68x = 184,870.36 × 39,013.05
4. Step 4: Simplify right side
   123,231.68x = 7,212,356,300.33
5. Step 5: Solve for x
   x = 7,212,356,300.33/123,231.68
6. Step 6: Final answer
   x = 58,526.80