Finding the Fourth Proportional to 123,086.69, 184,620.46 and 75,708.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,086.69 : 184,620.46 = 75,708.06 : x
2. Step 2: Convert to fraction form
   123,086.69/184,620.46 = 75,708.06/x
3. Step 3: Cross multiply
   123,086.69x = 184,620.46 × 75,708.06
4. Step 4: Simplify right side
   123,086.69x = 13,977,256,484.37
5. Step 5: Solve for x
   x = 13,977,256,484.37/123,086.69
6. Step 6: Final answer
   x = 113,556.20