Finding the Fourth Proportional to 123,045.20, 169,436.04 and 114,114.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,045.20 : 169,436.04 = 114,114.20 : x
2. Step 2: Convert to fraction form
   123,045.20/169,436.04 = 114,114.20/x
3. Step 3: Cross multiply
   123,045.20x = 169,436.04 × 114,114.20
4. Step 4: Simplify right side
   123,045.20x = 19,335,058,155.77
5. Step 5: Solve for x
   x = 19,335,058,155.77/123,045.20
6. Step 6: Final answer
   x = 157,137.85