Finding the Fourth Proportional to 1,897.89, 2,840.73 and 1,018.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.89 : 2,840.73 = 1,018.17 : x
2. Step 2: Convert to fraction form
   1,897.89/2,840.73 = 1,018.17/x
3. Step 3: Cross multiply
   1,897.89x = 2,840.73 × 1,018.17
4. Step 4: Simplify right side
   1,897.89x = 2,892,346.06
5. Step 5: Solve for x
   x = 2,892,346.06/1,897.89
6. Step 6: Final answer
   x = 1,523.98