Finding the Fourth Proportional to 146,141.57, 219,218.74 and 46,309.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,141.57 : 219,218.74 = 46,309.12 : x
2. Step 2: Convert to fraction form
   146,141.57/219,218.74 = 46,309.12/x
3. Step 3: Cross multiply
   146,141.57x = 219,218.74 × 46,309.12
4. Step 4: Simplify right side
   146,141.57x = 10,151,826,936.91
5. Step 5: Solve for x
   x = 10,151,826,936.91/146,141.57
6. Step 6: Final answer
   x = 69,465.70