Finding the Fourth Proportional to 30,892.50, 42,631.72 and 16,745.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.50 : 42,631.72 = 16,745.34 : x
2. Step 2: Convert to fraction form
   30,892.50/42,631.72 = 16,745.34/x
3. Step 3: Cross multiply
   30,892.50x = 42,631.72 × 16,745.34
4. Step 4: Simplify right side
   30,892.50x = 713,882,646.18
5. Step 5: Solve for x
   x = 713,882,646.18/30,892.50
6. Step 6: Final answer
   x = 23,108.61