Finding the Fourth Proportional to 49,842.42, 68,788.02 and 30,718.32

Step by Step Solution

1. Step 1: Write the proportion equation
   49,842.42 : 68,788.02 = 30,718.32 : x
2. Step 2: Convert to fraction form
   49,842.42/68,788.02 = 30,718.32/x
3. Step 3: Cross multiply
   49,842.42x = 68,788.02 × 30,718.32
4. Step 4: Simplify right side
   49,842.42x = 2,113,052,410.53
5. Step 5: Solve for x
   x = 2,113,052,410.53/49,842.42
6. Step 6: Final answer
   x = 42,394.66