Finding the Fourth Proportional to 30,916.99, 42,664.27 and 16,769.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,916.99 : 42,664.27 = 16,769.53 : x
2. Step 2: Convert to fraction form
   30,916.99/42,664.27 = 16,769.53/x
3. Step 3: Cross multiply
   30,916.99x = 42,664.27 × 16,769.53
4. Step 4: Simplify right side
   30,916.99x = 715,459,755.69
5. Step 5: Solve for x
   x = 715,459,755.69/30,916.99
6. Step 6: Final answer
   x = 23,141.31