Finding the Fourth Proportional to 67,828.02, 101,728.71 and 49,891.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,828.02 : 101,728.71 = 49,891.88 : x
2. Step 2: Convert to fraction form
   67,828.02/101,728.71 = 49,891.88/x
3. Step 3: Cross multiply
   67,828.02x = 101,728.71 × 49,891.88
4. Step 4: Simplify right side
   67,828.02x = 5,075,436,846.20
5. Step 5: Solve for x
   x = 5,075,436,846.20/67,828.02
6. Step 6: Final answer
   x = 74,828.03