Finding the Fourth Proportional to 1,897.99, 2,617.59 and 1,234.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.99 : 2,617.59 = 1,234.60 : x
2. Step 2: Convert to fraction form
   1,897.99/2,617.59 = 1,234.60/x
3. Step 3: Cross multiply
   1,897.99x = 2,617.59 × 1,234.60
4. Step 4: Simplify right side
   1,897.99x = 3,231,676.61
5. Step 5: Solve for x
   x = 3,231,676.61/1,897.99
6. Step 6: Final answer
   x = 1,702.68