Finding the Fourth Proportional to 1,897.92, 2,619 and 1,505.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.92 : 2,619 = 1,505.88 : x
2. Step 2: Convert to fraction form
   1,897.92/2,619 = 1,505.88/x
3. Step 3: Cross multiply
   1,897.92x = 2,619 × 1,505.88
4. Step 4: Simplify right side
   1,897.92x = 3,943,899.72
5. Step 5: Solve for x
   x = 3,943,899.72/1,897.92
6. Step 6: Final answer
   x = 2,078.01