Finding the Fourth Proportional to 49,050.90, 67,682.16 and 30,898.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,050.90 : 67,682.16 = 30,898.80 : x
2. Step 2: Convert to fraction form
   49,050.90/67,682.16 = 30,898.80/x
3. Step 3: Cross multiply
   49,050.90x = 67,682.16 × 30,898.80
4. Step 4: Simplify right side
   49,050.90x = 2,091,297,187.00
5. Step 5: Solve for x
   x = 2,091,297,187.00/49,050.90
6. Step 6: Final answer
   x = 42,635.25