Finding the Fourth Proportional to 51,498.83, 71,100.51 and 39,538.37

Step by Step Solution

1. Step 1: Write the proportion equation
   51,498.83 : 71,100.51 = 39,538.37 : x
2. Step 2: Convert to fraction form
   51,498.83/71,100.51 = 39,538.37/x
3. Step 3: Cross multiply
   51,498.83x = 71,100.51 × 39,538.37
4. Step 4: Simplify right side
   51,498.83x = 2,811,198,271.57
5. Step 5: Solve for x
   x = 2,811,198,271.57/51,498.83
6. Step 6: Final answer
   x = 54,587.61