Finding the Fourth Proportional to 123,643.49, 184,354.13 and 113,087.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,643.49 : 184,354.13 = 113,087.18 : x
2. Step 2: Convert to fraction form
   123,643.49/184,354.13 = 113,087.18/x
3. Step 3: Cross multiply
   123,643.49x = 184,354.13 × 113,087.18
4. Step 4: Simplify right side
   123,643.49x = 20,848,087,195.85
5. Step 5: Solve for x
   x = 20,848,087,195.85/123,643.49
6. Step 6: Final answer
   x = 168,614.52