Finding the Fourth Proportional to 71,300.33, 107,055.62 and 39,771.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,300.33 : 107,055.62 = 39,771.98 : x
2. Step 2: Convert to fraction form
   71,300.33/107,055.62 = 39,771.98/x
3. Step 3: Cross multiply
   71,300.33x = 107,055.62 × 39,771.98
4. Step 4: Simplify right side
   71,300.33x = 4,257,814,046.31
5. Step 5: Solve for x
   x = 4,257,814,046.31/71,300.33
6. Step 6: Final answer
   x = 59,716.61