Finding the Fourth Proportional to 143,454, 197,966.52 and 83,838

Step by Step Solution

1. Step 1: Write the proportion equation
   143,454 : 197,966.52 = 83,838 : x
2. Step 2: Convert to fraction form
   143,454/197,966.52 = 83,838/x
3. Step 3: Cross multiply
   143,454x = 197,966.52 × 83,838
4. Step 4: Simplify right side
   143,454x = 16,597,117,103.76
5. Step 5: Solve for x
   x = 16,597,117,103.76/143,454
6. Step 6: Final answer
   x = 115,696.44