Finding the Fourth Proportional to 67,406.64, 100,974.63 and 33,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,406.64 : 100,974.63 = 33,570.72 : x
2. Step 2: Convert to fraction form
   67,406.64/100,974.63 = 33,570.72/x
3. Step 3: Cross multiply
   67,406.64x = 100,974.63 × 33,570.72
4. Step 4: Simplify right side
   67,406.64x = 3,389,791,030.83
5. Step 5: Solve for x
   x = 3,389,791,030.83/67,406.64
6. Step 6: Final answer
   x = 50,288.68