Finding the Fourth Proportional to 46,109.57, 69,136.64 and 31,273.51

Step by Step Solution

1. Step 1: Write the proportion equation
   46,109.57 : 69,136.64 = 31,273.51 : x
2. Step 2: Convert to fraction form
   46,109.57/69,136.64 = 31,273.51/x
3. Step 3: Cross multiply
   46,109.57x = 69,136.64 × 31,273.51
4. Step 4: Simplify right side
   46,109.57x = 2,162,145,320.10
5. Step 5: Solve for x
   x = 2,162,145,320.10/46,109.57
6. Step 6: Final answer
   x = 46,891.47