Finding the Fourth Proportional to 144,258.05, 199,070.71 and 83,013.69

Step by Step Solution

1. Step 1: Write the proportion equation
   144,258.05 : 199,070.71 = 83,013.69 : x
2. Step 2: Convert to fraction form
   144,258.05/199,070.71 = 83,013.69/x
3. Step 3: Cross multiply
   144,258.05x = 199,070.71 × 83,013.69
4. Step 4: Simplify right side
   144,258.05x = 16,525,595,213.95
5. Step 5: Solve for x
   x = 16,525,595,213.95/144,258.05
6. Step 6: Final answer
   x = 114,555.79