Finding the Fourth Proportional to 2,173.47, 2,998.28 and 1,375.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.47 : 2,998.28 = 1,375.45 : x
2. Step 2: Convert to fraction form
   2,173.47/2,998.28 = 1,375.45/x
3. Step 3: Cross multiply
   2,173.47x = 2,998.28 × 1,375.45
4. Step 4: Simplify right side
   2,173.47x = 4,123,969.23
5. Step 5: Solve for x
   x = 4,123,969.23/2,173.47
6. Step 6: Final answer
   x = 1,897.41