Finding the Fourth Proportional to 43,570.49, 65,347.43 and 16,916.49

Step by Step Solution

1. Step 1: Write the proportion equation
   43,570.49 : 65,347.43 = 16,916.49 : x
2. Step 2: Convert to fraction form
   43,570.49/65,347.43 = 16,916.49/x
3. Step 3: Cross multiply
   43,570.49x = 65,347.43 × 16,916.49
4. Step 4: Simplify right side
   43,570.49x = 1,105,449,061.54
5. Step 5: Solve for x
   x = 1,105,449,061.54/43,570.49
6. Step 6: Final answer
   x = 25,371.51