Finding the Fourth Proportional to 1,923.89, 2,883.57 and 1,102.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.89 : 2,883.57 = 1,102.55 : x
2. Step 2: Convert to fraction form
   1,923.89/2,883.57 = 1,102.55/x
3. Step 3: Cross multiply
   1,923.89x = 2,883.57 × 1,102.55
4. Step 4: Simplify right side
   1,923.89x = 3,179,280.10
5. Step 5: Solve for x
   x = 3,179,280.10/1,923.89
6. Step 6: Final answer
   x = 1,652.53