Finding the Fourth Proportional to 2,572.14, 3,547.72 and 2,176.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.14 : 3,547.72 = 2,176.41 : x
2. Step 2: Convert to fraction form
   2,572.14/3,547.72 = 2,176.41/x
3. Step 3: Cross multiply
   2,572.14x = 3,547.72 × 2,176.41
4. Step 4: Simplify right side
   2,572.14x = 7,721,293.29
5. Step 5: Solve for x
   x = 7,721,293.29/2,572.14
6. Step 6: Final answer
   x = 3,001.89