Finding the Fourth Proportional to 67,480.29, 101,209.50 and 30,031.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,480.29 : 101,209.50 = 30,031.56 : x
2. Step 2: Convert to fraction form
   67,480.29/101,209.50 = 30,031.56/x
3. Step 3: Cross multiply
   67,480.29x = 101,209.50 × 30,031.56
4. Step 4: Simplify right side
   67,480.29x = 3,039,479,171.82
5. Step 5: Solve for x
   x = 3,039,479,171.82/67,480.29
6. Step 6: Final answer
   x = 45,042.47