Finding the Fourth Proportional to 144,901, 199,963.92 and 84,513.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,901 : 199,963.92 = 84,513.34 : x
2. Step 2: Convert to fraction form
   144,901/199,963.92 = 84,513.34/x
3. Step 3: Cross multiply
   144,901x = 199,963.92 × 84,513.34
4. Step 4: Simplify right side
   144,901x = 16,899,618,758.69
5. Step 5: Solve for x
   x = 16,899,618,758.69/144,901
6. Step 6: Final answer
   x = 116,628.72