Finding the Fourth Proportional to 46,399.64, 64,083.76 and 31,354.49

Step by Step Solution

1. Step 1: Write the proportion equation
   46,399.64 : 64,083.76 = 31,354.49 : x
2. Step 2: Convert to fraction form
   46,399.64/64,083.76 = 31,354.49/x
3. Step 3: Cross multiply
   46,399.64x = 64,083.76 × 31,354.49
4. Step 4: Simplify right side
   46,399.64x = 2,009,313,693.91
5. Step 5: Solve for x
   x = 2,009,313,693.91/46,399.64
6. Step 6: Final answer
   x = 43,304.52