Finding the Fourth Proportional to 26,857.72, 37,061.94 and 14,920.84

Step by Step Solution

1. Step 1: Write the proportion equation
   26,857.72 : 37,061.94 = 14,920.84 : x
2. Step 2: Convert to fraction form
   26,857.72/37,061.94 = 14,920.84/x
3. Step 3: Cross multiply
   26,857.72x = 37,061.94 × 14,920.84
4. Step 4: Simplify right side
   26,857.72x = 552,995,276.83
5. Step 5: Solve for x
   x = 552,995,276.83/26,857.72
6. Step 6: Final answer
   x = 20,589.81