Finding the Fourth Proportional to 1,076.88, 1,602.59 and 1,038

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.88 : 1,602.59 = 1,038 : x
2. Step 2: Convert to fraction form
   1,076.88/1,602.59 = 1,038/x
3. Step 3: Cross multiply
   1,076.88x = 1,602.59 × 1,038
4. Step 4: Simplify right side
   1,076.88x = 1,663,488.42
5. Step 5: Solve for x
   x = 1,663,488.42/1,076.88
6. Step 6: Final answer
   x = 1,544.73