Finding the Fourth Proportional to 2,572.02, 3,545.49 and 2,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.02 : 3,545.49 = 2,196.18 : x
2. Step 2: Convert to fraction form
   2,572.02/3,545.49 = 2,196.18/x
3. Step 3: Cross multiply
   2,572.02x = 3,545.49 × 2,196.18
4. Step 4: Simplify right side
   2,572.02x = 7,786,534.23
5. Step 5: Solve for x
   x = 7,786,534.23/2,572.02
6. Step 6: Final answer
   x = 3,027.40