Finding the Fourth Proportional to 2,062.16, 2,843.88 and 1,913.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.16 : 2,843.88 = 1,913.12 : x
2. Step 2: Convert to fraction form
   2,062.16/2,843.88 = 1,913.12/x
3. Step 3: Cross multiply
   2,062.16x = 2,843.88 × 1,913.12
4. Step 4: Simplify right side
   2,062.16x = 5,440,683.71
5. Step 5: Solve for x
   x = 5,440,683.71/2,062.16
6. Step 6: Final answer
   x = 2,638.34