Finding the Fourth Proportional to 49,158.57, 73,742.64 and 19,569.49

Step by Step Solution

1. Step 1: Write the proportion equation
   49,158.57 : 73,742.64 = 19,569.49 : x
2. Step 2: Convert to fraction form
   49,158.57/73,742.64 = 19,569.49/x
3. Step 3: Cross multiply
   49,158.57x = 73,742.64 × 19,569.49
4. Step 4: Simplify right side
   49,158.57x = 1,443,105,856.05
5. Step 5: Solve for x
   x = 1,443,105,856.05/49,158.57
6. Step 6: Final answer
   x = 29,356.14