Finding the Fourth Proportional to 123,009.74, 184,289.82 and 89,192.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,009.74 : 184,289.82 = 89,192.04 : x
2. Step 2: Convert to fraction form
   123,009.74/184,289.82 = 89,192.04/x
3. Step 3: Cross multiply
   123,009.74x = 184,289.82 × 89,192.04
4. Step 4: Simplify right side
   123,009.74x = 16,437,184,997.03
5. Step 5: Solve for x
   x = 16,437,184,997.03/123,009.74
6. Step 6: Final answer
   x = 133,625.07