Finding the Fourth Proportional to 30,892.02, 42,614.54 and 18,796.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.02 : 42,614.54 = 18,796.19 : x
2. Step 2: Convert to fraction form
   30,892.02/42,614.54 = 18,796.19/x
3. Step 3: Cross multiply
   30,892.02x = 42,614.54 × 18,796.19
4. Step 4: Simplify right side
   30,892.02x = 800,990,754.03
5. Step 5: Solve for x
   x = 800,990,754.03/30,892.02
6. Step 6: Final answer
   x = 25,928.73