Finding the Fourth Proportional to 30,891.58, 42,630.00 and 16,744.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,891.58 : 42,630.00 = 16,744.12 : x
2. Step 2: Convert to fraction form
   30,891.58/42,630.00 = 16,744.12/x
3. Step 3: Cross multiply
   30,891.58x = 42,630.00 × 16,744.12
4. Step 4: Simplify right side
   30,891.58x = 713,801,666.23
5. Step 5: Solve for x
   x = 713,801,666.23/30,891.58
6. Step 6: Final answer
   x = 23,106.68