Finding the Fourth Proportional to 2,680.81, 3,699.18 and 1,501.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.81 : 3,699.18 = 1,501.69 : x
2. Step 2: Convert to fraction form
   2,680.81/3,699.18 = 1,501.69/x
3. Step 3: Cross multiply
   2,680.81x = 3,699.18 × 1,501.69
4. Step 4: Simplify right side
   2,680.81x = 5,555,021.61
5. Step 5: Solve for x
   x = 5,555,021.61/2,680.81
6. Step 6: Final answer
   x = 2,072.14