Finding the Fourth Proportional to 123,462.72, 184,109.88 and 122,340

Step by Step Solution

1. Step 1: Write the proportion equation
   123,462.72 : 184,109.88 = 122,340 : x
2. Step 2: Convert to fraction form
   123,462.72/184,109.88 = 122,340/x
3. Step 3: Cross multiply
   123,462.72x = 184,109.88 × 122,340
4. Step 4: Simplify right side
   123,462.72x = 22,524,002,719.20
5. Step 5: Solve for x
   x = 22,524,002,719.20/123,462.72
6. Step 6: Final answer
   x = 182,435.66