Finding the Fourth Proportional to 49,617.46, 68,507.82 and 30,522.90

Step by Step Solution

1. Step 1: Write the proportion equation
   49,617.46 : 68,507.82 = 30,522.90 : x
2. Step 2: Convert to fraction form
   49,617.46/68,507.82 = 30,522.90/x
3. Step 3: Cross multiply
   49,617.46x = 68,507.82 × 30,522.90
4. Step 4: Simplify right side
   49,617.46x = 2,091,057,339.08
5. Step 5: Solve for x
   x = 2,091,057,339.08/49,617.46
6. Step 6: Final answer
   x = 42,143.58