Finding the Fourth Proportional to 71,301.83, 107,057.87 and 39,773.49

Step by Step Solution

1. Step 1: Write the proportion equation
   71,301.83 : 107,057.87 = 39,773.49 : x
2. Step 2: Convert to fraction form
   71,301.83/107,057.87 = 39,773.49/x
3. Step 3: Cross multiply
   71,301.83x = 107,057.87 × 39,773.49
4. Step 4: Simplify right side
   71,301.83x = 4,258,064,923.00
5. Step 5: Solve for x
   x = 4,258,064,923.00/71,301.83
6. Step 6: Final answer
   x = 59,718.88