Finding the Fourth Proportional to 30,931.69, 46,356.22 and 16,109.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,931.69 : 46,356.22 = 16,109.53 : x
2. Step 2: Convert to fraction form
   30,931.69/46,356.22 = 16,109.53/x
3. Step 3: Cross multiply
   30,931.69x = 46,356.22 × 16,109.53
4. Step 4: Simplify right side
   30,931.69x = 746,776,916.78
5. Step 5: Solve for x
   x = 746,776,916.78/30,931.69
6. Step 6: Final answer
   x = 24,142.78