Finding the Fourth Proportional to 49,679.36, 68,586.72 and 30,826.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,679.36 : 68,586.72 = 30,826.88 : x
2. Step 2: Convert to fraction form
   49,679.36/68,586.72 = 30,826.88/x
3. Step 3: Cross multiply
   49,679.36x = 68,586.72 × 30,826.88
4. Step 4: Simplify right side
   49,679.36x = 2,114,314,587.03
5. Step 5: Solve for x
   x = 2,114,314,587.03/49,679.36
6. Step 6: Final answer
   x = 42,559.22