Finding the Fourth Proportional to 2,064.45, 3,080.61 and 1,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.45 : 3,080.61 = 1,984.50 : x
2. Step 2: Convert to fraction form
   2,064.45/3,080.61 = 1,984.50/x
3. Step 3: Cross multiply
   2,064.45x = 3,080.61 × 1,984.50
4. Step 4: Simplify right side
   2,064.45x = 6,113,470.55
5. Step 5: Solve for x
   x = 6,113,470.55/2,064.45
6. Step 6: Final answer
   x = 2,961.31