Finding the Fourth Proportional to 2,162.46, 2,980.89 and 2,074.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.46 : 2,980.89 = 2,074.98 : x
2. Step 2: Convert to fraction form
   2,162.46/2,980.89 = 2,074.98/x
3. Step 3: Cross multiply
   2,162.46x = 2,980.89 × 2,074.98
4. Step 4: Simplify right side
   2,162.46x = 6,185,287.13
5. Step 5: Solve for x
   x = 6,185,287.13/2,162.46
6. Step 6: Final answer
   x = 2,860.30