Finding the Fourth Proportional to 146,100.78, 201,618.90 and 82,438.56

Step by Step Solution

1. Step 1: Write the proportion equation
   146,100.78 : 201,618.90 = 82,438.56 : x
2. Step 2: Convert to fraction form
   146,100.78/201,618.90 = 82,438.56/x
3. Step 3: Cross multiply
   146,100.78x = 201,618.90 × 82,438.56
4. Step 4: Simplify right side
   146,100.78x = 16,621,171,784.78
5. Step 5: Solve for x
   x = 16,621,171,784.78/146,100.78
6. Step 6: Final answer
   x = 113,765.11