Finding the Fourth Proportional to 49,173, 73,833.12 and 28,136.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,173 : 73,833.12 = 28,136.76 : x
2. Step 2: Convert to fraction form
   49,173/73,833.12 = 28,136.76/x
3. Step 3: Cross multiply
   49,173x = 73,833.12 × 28,136.76
4. Step 4: Simplify right side
   49,173x = 2,077,424,777.49
5. Step 5: Solve for x
   x = 2,077,424,777.49/49,173
6. Step 6: Final answer
   x = 42,247.27