Finding the Fourth Proportional to 123,144.39, 184,638.78 and 52,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,144.39 : 184,638.78 = 52,030.08 : x
2. Step 2: Convert to fraction form
   123,144.39/184,638.78 = 52,030.08/x
3. Step 3: Cross multiply
   123,144.39x = 184,638.78 × 52,030.08
4. Step 4: Simplify right side
   123,144.39x = 9,606,770,494.50
5. Step 5: Solve for x
   x = 9,606,770,494.50/123,144.39
6. Step 6: Final answer
   x = 78,012.25