Finding the Fourth Proportional to 49,530.06, 68,336.55 and 30,390.18

Step by Step Solution

1. Step 1: Write the proportion equation
   49,530.06 : 68,336.55 = 30,390.18 : x
2. Step 2: Convert to fraction form
   49,530.06/68,336.55 = 30,390.18/x
3. Step 3: Cross multiply
   49,530.06x = 68,336.55 × 30,390.18
4. Step 4: Simplify right side
   49,530.06x = 2,076,760,055.08
5. Step 5: Solve for x
   x = 2,076,760,055.08/49,530.06
6. Step 6: Final answer
   x = 41,929.29