Finding the Fourth Proportional to 144,072.33, 198,837.77 and 83,630.00

Step by Step Solution

1. Step 1: Write the proportion equation
   144,072.33 : 198,837.77 = 83,630.00 : x
2. Step 2: Convert to fraction form
   144,072.33/198,837.77 = 83,630.00/x
3. Step 3: Cross multiply
   144,072.33x = 198,837.77 × 83,630.00
4. Step 4: Simplify right side
   144,072.33x = 16,628,801,292.76
5. Step 5: Solve for x
   x = 16,628,801,292.76/144,072.33
6. Step 6: Final answer
   x = 115,419.81