Finding the Fourth Proportional to 142,958, 197,282.20 and 83,353.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,958 : 197,282.20 = 83,353.52 : x
2. Step 2: Convert to fraction form
   142,958/197,282.20 = 83,353.52/x
3. Step 3: Cross multiply
   142,958x = 197,282.20 × 83,353.52
4. Step 4: Simplify right side
   142,958x = 16,444,165,803.34
5. Step 5: Solve for x
   x = 16,444,165,803.34/142,958
6. Step 6: Final answer
   x = 115,027.95