Finding the Fourth Proportional to 1,367.89, 1,885.49 and 925.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.89 : 1,885.49 = 925.63 : x
2. Step 2: Convert to fraction form
   1,367.89/1,885.49 = 925.63/x
3. Step 3: Cross multiply
   1,367.89x = 1,885.49 × 925.63
4. Step 4: Simplify right side
   1,367.89x = 1,745,261.48
5. Step 5: Solve for x
   x = 1,745,261.48/1,367.89
6. Step 6: Final answer
   x = 1,275.88