Finding the Fourth Proportional to 30,976.04, 42,747.12 and 19,047.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,976.04 : 42,747.12 = 19,047.17 : x
2. Step 2: Convert to fraction form
   30,976.04/42,747.12 = 19,047.17/x
3. Step 3: Cross multiply
   30,976.04x = 42,747.12 × 19,047.17
4. Step 4: Simplify right side
   30,976.04x = 814,211,768.52
5. Step 5: Solve for x
   x = 814,211,768.52/30,976.04
6. Step 6: Final answer
   x = 26,285.21