Finding the Fourth Proportional to 49,012.78, 73,400.75 and 27,888.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,012.78 : 73,400.75 = 27,888.82 : x
2. Step 2: Convert to fraction form
   49,012.78/73,400.75 = 27,888.82/x
3. Step 3: Cross multiply
   49,012.78x = 73,400.75 × 27,888.82
4. Step 4: Simplify right side
   49,012.78x = 2,047,059,981.67
5. Step 5: Solve for x
   x = 2,047,059,981.67/49,012.78
6. Step 6: Final answer
   x = 41,765.84