Finding the Fourth Proportional to 144,018.58, 198,713.82 and 83,554.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,018.58 : 198,713.82 = 83,554.18 : x
2. Step 2: Convert to fraction form
   144,018.58/198,713.82 = 83,554.18/x
3. Step 3: Cross multiply
   144,018.58x = 198,713.82 × 83,554.18
4. Step 4: Simplify right side
   144,018.58x = 16,603,370,284.77
5. Step 5: Solve for x
   x = 16,603,370,284.77/144,018.58
6. Step 6: Final answer
   x = 115,286.31