Finding the Fourth Proportional to 1,906.16, 2,855.58 and 1,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.16 : 2,855.58 = 1,124.52 : x
2. Step 2: Convert to fraction form
   1,906.16/2,855.58 = 1,124.52/x
3. Step 3: Cross multiply
   1,906.16x = 2,855.58 × 1,124.52
4. Step 4: Simplify right side
   1,906.16x = 3,211,156.82
5. Step 5: Solve for x
   x = 3,211,156.82/1,906.16
6. Step 6: Final answer
   x = 1,684.62