Finding the Fourth Proportional to 49,665.22, 68,522.25 and 30,813.28

Step by Step Solution

1. Step 1: Write the proportion equation
   49,665.22 : 68,522.25 = 30,813.28 : x
2. Step 2: Convert to fraction form
   49,665.22/68,522.25 = 30,813.28/x
3. Step 3: Cross multiply
   49,665.22x = 68,522.25 × 30,813.28
4. Step 4: Simplify right side
   49,665.22x = 2,111,395,219.72
5. Step 5: Solve for x
   x = 2,111,395,219.72/49,665.22
6. Step 6: Final answer
   x = 42,512.55