Finding the Fourth Proportional to 123,086.86, 184,556.48 and 56,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,086.86 : 184,556.48 = 56,443.50 : x
2. Step 2: Convert to fraction form
   123,086.86/184,556.48 = 56,443.50/x
3. Step 3: Cross multiply
   123,086.86x = 184,556.48 × 56,443.50
4. Step 4: Simplify right side
   123,086.86x = 10,417,013,396.66
5. Step 5: Solve for x
   x = 10,417,013,396.66/123,086.86
6. Step 6: Final answer
   x = 84,631.40