Finding the Fourth Proportional to 67,647.21, 101,471.50 and 30,209.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67,647.21 : 101,471.50 = 30,209.18 : x
2. Step 2: Convert to fraction form
   67,647.21/101,471.50 = 30,209.18/x
3. Step 3: Cross multiply
   67,647.21x = 101,471.50 × 30,209.18
4. Step 4: Simplify right side
   67,647.21x = 3,065,370,808.37
5. Step 5: Solve for x
   x = 3,065,370,808.37/67,647.21
6. Step 6: Final answer
   x = 45,314.08