Finding the Fourth Proportional to 123,182.83, 184,691.22 and 99,519.49

Step by Step Solution

1. Step 1: Write the proportion equation
   123,182.83 : 184,691.22 = 99,519.49 : x
2. Step 2: Convert to fraction form
   123,182.83/184,691.22 = 99,519.49/x
3. Step 3: Cross multiply
   123,182.83x = 184,691.22 × 99,519.49
4. Step 4: Simplify right side
   123,182.83x = 18,380,376,021.88
5. Step 5: Solve for x
   x = 18,380,376,021.88/123,182.83
6. Step 6: Final answer
   x = 149,212.16