Finding the Fourth Proportional to 49,143.96, 73,672.29 and 19,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,143.96 : 73,672.29 = 19,151.25 : x
2. Step 2: Convert to fraction form
   49,143.96/73,672.29 = 19,151.25/x
3. Step 3: Cross multiply
   49,143.96x = 73,672.29 × 19,151.25
4. Step 4: Simplify right side
   49,143.96x = 1,410,916,443.86
5. Step 5: Solve for x
   x = 1,410,916,443.86/49,143.96
6. Step 6: Final answer
   x = 28,709.86