Finding the Fourth Proportional to 146,638.89, 219,959.82 and 46,806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,638.89 : 219,959.82 = 46,806.12 : x
2. Step 2: Convert to fraction form
   146,638.89/219,959.82 = 46,806.12/x
3. Step 3: Cross multiply
   146,638.89x = 219,959.82 × 46,806.12
4. Step 4: Simplify right side
   146,638.89x = 10,295,465,730.10
5. Step 5: Solve for x
   x = 10,295,465,730.10/146,638.89
6. Step 6: Final answer
   x = 70,209.65