Finding the Fourth Proportional to 5,127.71, 7,105.46 and 4,815.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,127.71 : 7,105.46 = 4,815.59 : x
2. Step 2: Convert to fraction form
   5,127.71/7,105.46 = 4,815.59/x
3. Step 3: Cross multiply
   5,127.71x = 7,105.46 × 4,815.59
4. Step 4: Simplify right side
   5,127.71x = 34,216,922.52
5. Step 5: Solve for x
   x = 34,216,922.52/5,127.71
6. Step 6: Final answer
   x = 6,672.95