Finding the Fourth Proportional to 49,039.31, 73,632.78 and 28,003.11

Step by Step Solution

1. Step 1: Write the proportion equation
   49,039.31 : 73,632.78 = 28,003.11 : x
2. Step 2: Convert to fraction form
   49,039.31/73,632.78 = 28,003.11/x
3. Step 3: Cross multiply
   49,039.31x = 73,632.78 × 28,003.11
4. Step 4: Simplify right side
   49,039.31x = 2,061,946,837.95
5. Step 5: Solve for x
   x = 2,061,946,837.95/49,039.31
6. Step 6: Final answer
   x = 42,046.82