Finding the Fourth Proportional to 144,647.67, 199,596.72 and 83,393.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,647.67 : 199,596.72 = 83,393.18 : x
2. Step 2: Convert to fraction form
   144,647.67/199,596.72 = 83,393.18/x
3. Step 3: Cross multiply
   144,647.67x = 199,596.72 × 83,393.18
4. Step 4: Simplify right side
   144,647.67x = 16,645,004,200.39
5. Step 5: Solve for x
   x = 16,645,004,200.39/144,647.67
6. Step 6: Final answer
   x = 115,072.74