Finding the Fourth Proportional to 1,672.89, 2,503.41 and 1,233.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.89 : 2,503.41 = 1,233.10 : x
2. Step 2: Convert to fraction form
   1,672.89/2,503.41 = 1,233.10/x
3. Step 3: Cross multiply
   1,672.89x = 2,503.41 × 1,233.10
4. Step 4: Simplify right side
   1,672.89x = 3,086,953.38
5. Step 5: Solve for x
   x = 3,086,953.38/1,672.89
6. Step 6: Final answer
   x = 1,845.29