Finding the Fourth Proportional to 146,938.50, 202,776.75 and 79,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,938.50 : 202,776.75 = 79,870.50 : x
2. Step 2: Convert to fraction form
   146,938.50/202,776.75 = 79,870.50/x
3. Step 3: Cross multiply
   146,938.50x = 202,776.75 × 79,870.50
4. Step 4: Simplify right side
   146,938.50x = 16,195,880,410.88
5. Step 5: Solve for x
   x = 16,195,880,410.88/146,938.50
6. Step 6: Final answer
   x = 110,222.17