Finding the Fourth Proportional to 46,441.40, 64,107.46 and 31,343

Step by Step Solution

1. Step 1: Write the proportion equation
   46,441.40 : 64,107.46 = 31,343 : x
2. Step 2: Convert to fraction form
   46,441.40/64,107.46 = 31,343/x
3. Step 3: Cross multiply
   46,441.40x = 64,107.46 × 31,343
4. Step 4: Simplify right side
   46,441.40x = 2,009,320,118.78
5. Step 5: Solve for x
   x = 2,009,320,118.78/46,441.40
6. Step 6: Final answer
   x = 43,265.71