Finding the Fourth Proportional to 3,672.58, 5,501.58 and 1,718.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.58 : 5,501.58 = 1,718.86 : x
2. Step 2: Convert to fraction form
   3,672.58/5,501.58 = 1,718.86/x
3. Step 3: Cross multiply
   3,672.58x = 5,501.58 × 1,718.86
4. Step 4: Simplify right side
   3,672.58x = 9,456,445.80
5. Step 5: Solve for x
   x = 9,456,445.80/3,672.58
6. Step 6: Final answer
   x = 2,574.88