Finding the Fourth Proportional to 2,518.03, 3,473.71 and 1,573.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.03 : 3,473.71 = 1,573.21 : x
2. Step 2: Convert to fraction form
   2,518.03/3,473.71 = 1,573.21/x
3. Step 3: Cross multiply
   2,518.03x = 3,473.71 × 1,573.21
4. Step 4: Simplify right side
   2,518.03x = 5,464,875.31
5. Step 5: Solve for x
   x = 5,464,875.31/2,518.03
6. Step 6: Final answer
   x = 2,170.30