Finding the Fourth Proportional to 49,976.72, 74,965.04 and 16,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,976.72 : 74,965.04 = 16,690.56 : x
2. Step 2: Convert to fraction form
   49,976.72/74,965.04 = 16,690.56/x
3. Step 3: Cross multiply
   49,976.72x = 74,965.04 × 16,690.56
4. Step 4: Simplify right side
   49,976.72x = 1,251,208,498.02
5. Step 5: Solve for x
   x = 1,251,208,498.02/49,976.72
6. Step 6: Final answer
   x = 25,035.83