Finding the Fourth Proportional to 146,143.50, 201,678.06 and 79,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,143.50 : 201,678.06 = 79,075.50 : x
2. Step 2: Convert to fraction form
   146,143.50/201,678.06 = 79,075.50/x
3. Step 3: Cross multiply
   146,143.50x = 201,678.06 × 79,075.50
4. Step 4: Simplify right side
   146,143.50x = 15,947,793,433.53
5. Step 5: Solve for x
   x = 15,947,793,433.53/146,143.50
6. Step 6: Final answer
   x = 109,124.21