Finding the Fourth Proportional to 49,050.65, 67,681.82 and 30,898.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,050.65 : 67,681.82 = 30,898.55 : x
2. Step 2: Convert to fraction form
   49,050.65/67,681.82 = 30,898.55/x
3. Step 3: Cross multiply
   49,050.65x = 67,681.82 × 30,898.55
4. Step 4: Simplify right side
   49,050.65x = 2,091,269,606.46
5. Step 5: Solve for x
   x = 2,091,269,606.46/49,050.65
6. Step 6: Final answer
   x = 42,634.91