Finding the Fourth Proportional to 49,431, 68,214.78 and 27,075.48

Step by Step Solution

1. Step 1: Write the proportion equation
   49,431 : 68,214.78 = 27,075.48 : x
2. Step 2: Convert to fraction form
   49,431/68,214.78 = 27,075.48/x
3. Step 3: Cross multiply
   49,431x = 68,214.78 × 27,075.48
4. Step 4: Simplify right side
   49,431x = 1,846,947,911.59
5. Step 5: Solve for x
   x = 1,846,947,911.59/49,431
6. Step 6: Final answer
   x = 37,364.16