Finding the Fourth Proportional to 71,345.83, 107,019.80 and 33,909.73

Step by Step Solution

1. Step 1: Write the proportion equation
   71,345.83 : 107,019.80 = 33,909.73 : x
2. Step 2: Convert to fraction form
   71,345.83/107,019.80 = 33,909.73/x
3. Step 3: Cross multiply
   71,345.83x = 107,019.80 × 33,909.73
4. Step 4: Simplify right side
   71,345.83x = 3,629,012,522.65
5. Step 5: Solve for x
   x = 3,629,012,522.65/71,345.83
6. Step 6: Final answer
   x = 50,865.10