Finding the Fourth Proportional to 1,375.18, 1,897.76 and 745.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.18 : 1,897.76 = 745.71 : x
2. Step 2: Convert to fraction form
   1,375.18/1,897.76 = 745.71/x
3. Step 3: Cross multiply
   1,375.18x = 1,897.76 × 745.71
4. Step 4: Simplify right side
   1,375.18x = 1,415,178.61
5. Step 5: Solve for x
   x = 1,415,178.61/1,375.18
6. Step 6: Final answer
   x = 1,029.09