Finding the Fourth Proportional to 3,714.73, 5,561.33 and 2,602.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.73 : 5,561.33 = 2,602.80 : x
2. Step 2: Convert to fraction form
   3,714.73/5,561.33 = 2,602.80/x
3. Step 3: Cross multiply
   3,714.73x = 5,561.33 × 2,602.80
4. Step 4: Simplify right side
   3,714.73x = 14,475,016.71
5. Step 5: Solve for x
   x = 14,475,016.71/3,714.73
6. Step 6: Final answer
   x = 3,896.66