Finding the Fourth Proportional to 2,099.88, 3,149.52 and 713.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.88 : 3,149.52 = 713.22 : x
2. Step 2: Convert to fraction form
   2,099.88/3,149.52 = 713.22/x
3. Step 3: Cross multiply
   2,099.88x = 3,149.52 × 713.22
4. Step 4: Simplify right side
   2,099.88x = 2,246,300.65
5. Step 5: Solve for x
   x = 2,246,300.65/2,099.88
6. Step 6: Final answer
   x = 1,069.73