Finding the Fourth Proportional to 1,897.92, 2,619.27 and 1,152.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.92 : 2,619.27 = 1,152.09 : x
2. Step 2: Convert to fraction form
   1,897.92/2,619.27 = 1,152.09/x
3. Step 3: Cross multiply
   1,897.92x = 2,619.27 × 1,152.09
4. Step 4: Simplify right side
   1,897.92x = 3,017,634.77
5. Step 5: Solve for x
   x = 3,017,634.77/1,897.92
6. Step 6: Final answer
   x = 1,589.97