Finding the Fourth Proportional to 49,518, 74,288.52 and 16,686

Step by Step Solution

1. Step 1: Write the proportion equation
   49,518 : 74,288.52 = 16,686 : x
2. Step 2: Convert to fraction form
   49,518/74,288.52 = 16,686/x
3. Step 3: Cross multiply
   49,518x = 74,288.52 × 16,686
4. Step 4: Simplify right side
   49,518x = 1,239,578,244.72
5. Step 5: Solve for x
   x = 1,239,578,244.72/49,518
6. Step 6: Final answer
   x = 25,032.88