Finding the Fourth Proportional to 142,645.50, 196,902.63 and 83,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,645.50 : 196,902.63 = 83,029.50 : x
2. Step 2: Convert to fraction form
   142,645.50/196,902.63 = 83,029.50/x
3. Step 3: Cross multiply
   142,645.50x = 196,902.63 × 83,029.50
4. Step 4: Simplify right side
   142,645.50x = 16,348,726,917.59
5. Step 5: Solve for x
   x = 16,348,726,917.59/142,645.50
6. Step 6: Final answer
   x = 114,610.88