Finding the Fourth Proportional to 123,336.03, 184,850.94 and 89,549.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123,336.03 : 184,850.94 = 89,549.31 : x
2. Step 2: Convert to fraction form
   123,336.03/184,850.94 = 89,549.31/x
3. Step 3: Cross multiply
   123,336.03x = 184,850.94 × 89,549.31
4. Step 4: Simplify right side
   123,336.03x = 16,553,274,129.85
5. Step 5: Solve for x
   x = 16,553,274,129.85/123,336.03
6. Step 6: Final answer
   x = 134,212.80