Finding the Fourth Proportional to 49,143.58, 73,671.72 and 19,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,143.58 : 73,671.72 = 19,150.88 : x
2. Step 2: Convert to fraction form
   49,143.58/73,671.72 = 19,150.88/x
3. Step 3: Cross multiply
   49,143.58x = 73,671.72 × 19,150.88
4. Step 4: Simplify right side
   49,143.58x = 1,410,878,269.11
5. Step 5: Solve for x
   x = 1,410,878,269.11/49,143.58
6. Step 6: Final answer
   x = 28,709.31