Finding the Fourth Proportional to 2,634.18, 3,635.96 and 1,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.18 : 3,635.96 = 1,572.72 : x
2. Step 2: Convert to fraction form
   2,634.18/3,635.96 = 1,572.72/x
3. Step 3: Cross multiply
   2,634.18x = 3,635.96 × 1,572.72
4. Step 4: Simplify right side
   2,634.18x = 5,718,339.15
5. Step 5: Solve for x
   x = 5,718,339.15/2,634.18
6. Step 6: Final answer
   x = 2,170.82