Finding the Fourth Proportional to 72,976.95, 109,470.05 and 30,851.49

Step by Step Solution

1. Step 1: Write the proportion equation
   72,976.95 : 109,470.05 = 30,851.49 : x
2. Step 2: Convert to fraction form
   72,976.95/109,470.05 = 30,851.49/x
3. Step 3: Cross multiply
   72,976.95x = 109,470.05 × 30,851.49
4. Step 4: Simplify right side
   72,976.95x = 3,377,313,588.10
5. Step 5: Solve for x
   x = 3,377,313,588.10/72,976.95
6. Step 6: Final answer
   x = 46,279.18