Finding the Fourth Proportional to 67,720.56, 101,593.56 and 30,282.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,720.56 : 101,593.56 = 30,282.12 : x
2. Step 2: Convert to fraction form
   67,720.56/101,593.56 = 30,282.12/x
3. Step 3: Cross multiply
   67,720.56x = 101,593.56 × 30,282.12
4. Step 4: Simplify right side
   67,720.56x = 3,076,468,375.15
5. Step 5: Solve for x
   x = 3,076,468,375.15/67,720.56
6. Step 6: Final answer
   x = 45,428.87