Finding the Fourth Proportional to 2,518.49, 3,474.89 and 1,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.49 : 3,474.89 = 1,572.82 : x
2. Step 2: Convert to fraction form
   2,518.49/3,474.89 = 1,572.82/x
3. Step 3: Cross multiply
   2,518.49x = 3,474.89 × 1,572.82
4. Step 4: Simplify right side
   2,518.49x = 5,465,359.12
5. Step 5: Solve for x
   x = 5,465,359.12/2,518.49
6. Step 6: Final answer
   x = 2,170.09