Finding the Fourth Proportional to 2,518.17, 3,476.28 and 1,680.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.17 : 3,476.28 = 1,680.27 : x
2. Step 2: Convert to fraction form
   2,518.17/3,476.28 = 1,680.27/x
3. Step 3: Cross multiply
   2,518.17x = 3,476.28 × 1,680.27
4. Step 4: Simplify right side
   2,518.17x = 5,841,089.00
5. Step 5: Solve for x
   x = 5,841,089.00/2,518.17
6. Step 6: Final answer
   x = 2,319.58