Finding the Fourth Proportional to 144,087, 198,863.10 and 84,471

Step by Step Solution

1. Step 1: Write the proportion equation
   144,087 : 198,863.10 = 84,471 : x
2. Step 2: Convert to fraction form
   144,087/198,863.10 = 84,471/x
3. Step 3: Cross multiply
   144,087x = 198,863.10 × 84,471
4. Step 4: Simplify right side
   144,087x = 16,798,164,920.10
5. Step 5: Solve for x
   x = 16,798,164,920.10/144,087
6. Step 6: Final answer
   x = 116,583.49