Finding the Fourth Proportional to 123,336.80, 184,972.78 and 53,200.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,336.80 : 184,972.78 = 53,200.52 : x
2. Step 2: Convert to fraction form
   123,336.80/184,972.78 = 53,200.52/x
3. Step 3: Cross multiply
   123,336.80x = 184,972.78 × 53,200.52
4. Step 4: Simplify right side
   123,336.80x = 9,840,648,081.85
5. Step 5: Solve for x
   x = 9,840,648,081.85/123,336.80
6. Step 6: Final answer
   x = 79,786.80