Finding the Fourth Proportional to 123,090.03, 184,438.18 and 111,280.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,090.03 : 184,438.18 = 111,280.23 : x
2. Step 2: Convert to fraction form
   123,090.03/184,438.18 = 111,280.23/x
3. Step 3: Cross multiply
   123,090.03x = 184,438.18 × 111,280.23
4. Step 4: Simplify right side
   123,090.03x = 20,524,323,091.18
5. Step 5: Solve for x
   x = 20,524,323,091.18/123,090.03
6. Step 6: Final answer
   x = 166,742.37