Finding the Fourth Proportional to 30,973.14, 42,742.94 and 16,826.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,973.14 : 42,742.94 = 16,826.08 : x
2. Step 2: Convert to fraction form
   30,973.14/42,742.94 = 16,826.08/x
3. Step 3: Cross multiply
   30,973.14x = 42,742.94 × 16,826.08
4. Step 4: Simplify right side
   30,973.14x = 719,196,127.88
5. Step 5: Solve for x
   x = 719,196,127.88/30,973.14
6. Step 6: Final answer
   x = 23,219.99