Finding the Fourth Proportional to 49,072.56, 73,601.74 and 15,788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,072.56 : 73,601.74 = 15,788.31 : x
2. Step 2: Convert to fraction form
   49,072.56/73,601.74 = 15,788.31/x
3. Step 3: Cross multiply
   49,072.56x = 73,601.74 × 15,788.31
4. Step 4: Simplify right side
   49,072.56x = 1,162,047,087.66
5. Step 5: Solve for x
   x = 1,162,047,087.66/49,072.56
6. Step 6: Final answer
   x = 23,680.18