Finding the Fourth Proportional to 1,375.37, 2,060.73 and 887.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.37 : 2,060.73 = 887.39 : x
2. Step 2: Convert to fraction form
   1,375.37/2,060.73 = 887.39/x
3. Step 3: Cross multiply
   1,375.37x = 2,060.73 × 887.39
4. Step 4: Simplify right side
   1,375.37x = 1,828,660.89
5. Step 5: Solve for x
   x = 1,828,660.89/1,375.37
6. Step 6: Final answer
   x = 1,329.58