Finding the Fourth Proportional to 49,158.16, 73,743.90 and 19,579.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,158.16 : 73,743.90 = 19,579.12 : x
2. Step 2: Convert to fraction form
   49,158.16/73,743.90 = 19,579.12/x
3. Step 3: Cross multiply
   49,158.16x = 73,743.90 × 19,579.12
4. Step 4: Simplify right side
   49,158.16x = 1,443,840,667.37
5. Step 5: Solve for x
   x = 1,443,840,667.37/49,158.16
6. Step 6: Final answer
   x = 29,371.33