Finding the Fourth Proportional to 71,345.75, 107,019.63 and 33,909.57

Step by Step Solution

1. Step 1: Write the proportion equation
   71,345.75 : 107,019.63 = 33,909.57 : x
2. Step 2: Convert to fraction form
   71,345.75/107,019.63 = 33,909.57/x
3. Step 3: Cross multiply
   71,345.75x = 107,019.63 × 33,909.57
4. Step 4: Simplify right side
   71,345.75x = 3,628,989,634.86
5. Step 5: Solve for x
   x = 3,628,989,634.86/71,345.75
6. Step 6: Final answer
   x = 50,864.84