Finding the Fourth Proportional to 1,884.93, 2,601.89 and 1,223.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.93 : 2,601.89 = 1,223.57 : x
2. Step 2: Convert to fraction form
   1,884.93/2,601.89 = 1,223.57/x
3. Step 3: Cross multiply
   1,884.93x = 2,601.89 × 1,223.57
4. Step 4: Simplify right side
   1,884.93x = 3,183,575.42
5. Step 5: Solve for x
   x = 3,183,575.42/1,884.93
6. Step 6: Final answer
   x = 1,688.96