Finding the Fourth Proportional to 2,666.76, 3,680.10 and 1,619.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.76 : 3,680.10 = 1,619.16 : x
2. Step 2: Convert to fraction form
   2,666.76/3,680.10 = 1,619.16/x
3. Step 3: Cross multiply
   2,666.76x = 3,680.10 × 1,619.16
4. Step 4: Simplify right side
   2,666.76x = 5,958,670.72
5. Step 5: Solve for x
   x = 5,958,670.72/2,666.76
6. Step 6: Final answer
   x = 2,234.42