Finding the Fourth Proportional to 146,146.50, 201,682.17 and 79,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,146.50 : 201,682.17 = 79,078.50 : x
2. Step 2: Convert to fraction form
   146,146.50/201,682.17 = 79,078.50/x
3. Step 3: Cross multiply
   146,146.50x = 201,682.17 × 79,078.50
4. Step 4: Simplify right side
   146,146.50x = 15,948,723,480.35
5. Step 5: Solve for x
   x = 15,948,723,480.35/146,146.50
6. Step 6: Final answer
   x = 109,128.33