Finding the Fourth Proportional to 53,674.79, 74,073.76 and 31,016.79

Step by Step Solution

1. Step 1: Write the proportion equation
   53,674.79 : 74,073.76 = 31,016.79 : x
2. Step 2: Convert to fraction form
   53,674.79/74,073.76 = 31,016.79/x
3. Step 3: Cross multiply
   53,674.79x = 74,073.76 × 31,016.79
4. Step 4: Simplify right side
   53,674.79x = 2,297,530,180.89
5. Step 5: Solve for x
   x = 2,297,530,180.89/53,674.79
6. Step 6: Final answer
   x = 42,804.65