Finding the Fourth Proportional to 67,647.08, 101,471.31 and 30,209.06

Step by Step Solution

1. Step 1: Write the proportion equation
   67,647.08 : 101,471.31 = 30,209.06 : x
2. Step 2: Convert to fraction form
   67,647.08/101,471.31 = 30,209.06/x
3. Step 3: Cross multiply
   67,647.08x = 101,471.31 × 30,209.06
4. Step 4: Simplify right side
   67,647.08x = 3,065,352,384.71
5. Step 5: Solve for x
   x = 3,065,352,384.71/67,647.08
6. Step 6: Final answer
   x = 45,313.89