Finding the Fourth Proportional to 2,685.22, 4,028.42 and 1,103.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.22 : 4,028.42 = 1,103.93 : x
2. Step 2: Convert to fraction form
   2,685.22/4,028.42 = 1,103.93/x
3. Step 3: Cross multiply
   2,685.22x = 4,028.42 × 1,103.93
4. Step 4: Simplify right side
   2,685.22x = 4,447,088.17
5. Step 5: Solve for x
   x = 4,447,088.17/2,685.22
6. Step 6: Final answer
   x = 1,656.14