Finding the Fourth Proportional to 144,499.32, 199,395.54 and 90,046.44

Step by Step Solution

1. Step 1: Write the proportion equation
   144,499.32 : 199,395.54 = 90,046.44 : x
2. Step 2: Convert to fraction form
   144,499.32/199,395.54 = 90,046.44/x
3. Step 3: Cross multiply
   144,499.32x = 199,395.54 × 90,046.44
4. Step 4: Simplify right side
   144,499.32x = 17,954,858,528.88
5. Step 5: Solve for x
   x = 17,954,858,528.88/144,499.32
6. Step 6: Final answer
   x = 124,255.66