Finding the Fourth Proportional to 30,356.86, 41,892.71 and 16,928.99

Step by Step Solution

1. Step 1: Write the proportion equation
   30,356.86 : 41,892.71 = 16,928.99 : x
2. Step 2: Convert to fraction form
   30,356.86/41,892.71 = 16,928.99/x
3. Step 3: Cross multiply
   30,356.86x = 41,892.71 × 16,928.99
4. Step 4: Simplify right side
   30,356.86x = 709,200,974.55
5. Step 5: Solve for x
   x = 709,200,974.55/30,356.86
6. Step 6: Final answer
   x = 23,362.13