Finding the Fourth Proportional to 1,984.91, 2,979.18 and 1,011.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.91 : 2,979.18 = 1,011.69 : x
2. Step 2: Convert to fraction form
   1,984.91/2,979.18 = 1,011.69/x
3. Step 3: Cross multiply
   1,984.91x = 2,979.18 × 1,011.69
4. Step 4: Simplify right side
   1,984.91x = 3,014,006.61
5. Step 5: Solve for x
   x = 3,014,006.61/1,984.91
6. Step 6: Final answer
   x = 1,518.46