Finding the Fourth Proportional to 49,573.74, 68,447.31 and 30,479.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,573.74 : 68,447.31 = 30,479.16 : x
2. Step 2: Convert to fraction form
   49,573.74/68,447.31 = 30,479.16/x
3. Step 3: Cross multiply
   49,573.74x = 68,447.31 × 30,479.16
4. Step 4: Simplify right side
   49,573.74x = 2,086,216,513.06
5. Step 5: Solve for x
   x = 2,086,216,513.06/49,573.74
6. Step 6: Final answer
   x = 42,083.10