Finding the Fourth Proportional to 53,433.63, 73,734.71 and 30,767.31

Step by Step Solution

1. Step 1: Write the proportion equation
   53,433.63 : 73,734.71 = 30,767.31 : x
2. Step 2: Convert to fraction form
   53,433.63/73,734.71 = 30,767.31/x
3. Step 3: Cross multiply
   53,433.63x = 73,734.71 × 30,767.31
4. Step 4: Simplify right side
   53,433.63x = 2,268,618,526.49
5. Step 5: Solve for x
   x = 2,268,618,526.49/53,433.63
6. Step 6: Final answer
   x = 42,456.75