Finding the Fourth Proportional to 5,417.98, 8,123.92 and 1,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,417.98 : 8,123.92 = 1,719.52 : x
2. Step 2: Convert to fraction form
   5,417.98/8,123.92 = 1,719.52/x
3. Step 3: Cross multiply
   5,417.98x = 8,123.92 × 1,719.52
4. Step 4: Simplify right side
   5,417.98x = 13,969,242.92
5. Step 5: Solve for x
   x = 13,969,242.92/5,417.98
6. Step 6: Final answer
   x = 2,578.31