Finding the Fourth Proportional to 142,648.50, 196,906.77 and 83,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,648.50 : 196,906.77 = 83,032.50 : x
2. Step 2: Convert to fraction form
   142,648.50/196,906.77 = 83,032.50/x
3. Step 3: Cross multiply
   142,648.50x = 196,906.77 × 83,032.50
4. Step 4: Simplify right side
   142,648.50x = 16,349,661,380.03
5. Step 5: Solve for x
   x = 16,349,661,380.03/142,648.50
6. Step 6: Final answer
   x = 114,615.02