Finding the Fourth Proportional to 123,878.10, 184,881.03 and 111,920.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,878.10 : 184,881.03 = 111,920.70 : x
2. Step 2: Convert to fraction form
   123,878.10/184,881.03 = 111,920.70/x
3. Step 3: Cross multiply
   123,878.10x = 184,881.03 × 111,920.70
4. Step 4: Simplify right side
   123,878.10x = 20,692,014,294.32
5. Step 5: Solve for x
   x = 20,692,014,294.32/123,878.10
6. Step 6: Final answer
   x = 167,035.29