Finding the Fourth Proportional to 51,498.84, 71,100.52 and 39,538.38

Step by Step Solution

1. Step 1: Write the proportion equation
   51,498.84 : 71,100.52 = 39,538.38 : x
2. Step 2: Convert to fraction form
   51,498.84/71,100.52 = 39,538.38/x
3. Step 3: Cross multiply
   51,498.84x = 71,100.52 × 39,538.38
4. Step 4: Simplify right side
   51,498.84x = 2,811,199,377.96
5. Step 5: Solve for x
   x = 2,811,199,377.96/51,498.84
6. Step 6: Final answer
   x = 54,587.63