Finding the Fourth Proportional to 123,086.59, 184,492.55 and 51,987.89

Step by Step Solution

1. Step 1: Write the proportion equation
   123,086.59 : 184,492.55 = 51,987.89 : x
2. Step 2: Convert to fraction form
   123,086.59/184,492.55 = 51,987.89/x
3. Step 3: Cross multiply
   123,086.59x = 184,492.55 × 51,987.89
4. Step 4: Simplify right side
   123,086.59x = 9,591,378,986.42
5. Step 5: Solve for x
   x = 9,591,378,986.42/123,086.59
6. Step 6: Final answer
   x = 77,923.84