Finding the Fourth Proportional to 1,897.61, 2,847.49 and 1,515.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.61 : 2,847.49 = 1,515.29 : x
2. Step 2: Convert to fraction form
   1,897.61/2,847.49 = 1,515.29/x
3. Step 3: Cross multiply
   1,897.61x = 2,847.49 × 1,515.29
4. Step 4: Simplify right side
   1,897.61x = 4,314,755.10
5. Step 5: Solve for x
   x = 4,314,755.10/1,897.61
6. Step 6: Final answer
   x = 2,273.79