Finding the Fourth Proportional to 49,170.56, 67,860.64 and 30,061.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,170.56 : 67,860.64 = 30,061.55 : x
2. Step 2: Convert to fraction form
   49,170.56/67,860.64 = 30,061.55/x
3. Step 3: Cross multiply
   49,170.56x = 67,860.64 × 30,061.55
4. Step 4: Simplify right side
   49,170.56x = 2,039,995,678.81
5. Step 5: Solve for x
   x = 2,039,995,678.81/49,170.56
6. Step 6: Final answer
   x = 41,488.15