Finding the Fourth Proportional to 71,300.10, 107,055.29 and 39,771.77

Step by Step Solution

1. Step 1: Write the proportion equation
   71,300.10 : 107,055.29 = 39,771.77 : x
2. Step 2: Convert to fraction form
   71,300.10/107,055.29 = 39,771.77/x
3. Step 3: Cross multiply
   71,300.10x = 107,055.29 × 39,771.77
4. Step 4: Simplify right side
   71,300.10x = 4,257,778,371.16
5. Step 5: Solve for x
   x = 4,257,778,371.16/71,300.10
6. Step 6: Final answer
   x = 59,716.30