Finding the Fourth Proportional to 123,193.37, 184,645.18 and 55,646.57

Step by Step Solution

1. Step 1: Write the proportion equation
   123,193.37 : 184,645.18 = 55,646.57 : x
2. Step 2: Convert to fraction form
   123,193.37/184,645.18 = 55,646.57/x
3. Step 3: Cross multiply
   123,193.37x = 184,645.18 × 55,646.57
4. Step 4: Simplify right side
   123,193.37x = 10,274,869,871.69
5. Step 5: Solve for x
   x = 10,274,869,871.69/123,193.37
6. Step 6: Final answer
   x = 83,404.40